diff --git a/Numeric List Generator/AboutBoxForm.Designer.cs b/Numeric List Generator/AboutBoxForm.Designer.cs
index 9a69b37c..c8bb571b 100644
--- a/Numeric List Generator/AboutBoxForm.Designer.cs	
+++ b/Numeric List Generator/AboutBoxForm.Designer.cs	
@@ -27,146 +27,146 @@ protected override void Dispose(bool disposing)
     /// </summary>
     private void InitializeComponent()
     {
-			this.components = new System.ComponentModel.Container();
 			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(AboutBoxForm));
-			this.toolStripContainer = new System.Windows.Forms.ToolStripContainer();
-			this.statusStrip = new System.Windows.Forms.StatusStrip();
-			this.toolStripStatusLabel = new System.Windows.Forms.ToolStripStatusLabel();
 			this.tableLayoutPanel = new System.Windows.Forms.TableLayoutPanel();
-			this.logoPictureBox = new System.Windows.Forms.PictureBox();
 			this.labelProductName = new System.Windows.Forms.Label();
 			this.labelVersion = new System.Windows.Forms.Label();
 			this.labelCopyright = new System.Windows.Forms.Label();
 			this.labelCompanyName = new System.Windows.Forms.Label();
 			this.textBoxDescription = new System.Windows.Forms.TextBox();
 			this.okButton = new System.Windows.Forms.Button();
-			this.toolTip = new System.Windows.Forms.ToolTip(this.components);
-			this.toolStripContainer.BottomToolStripPanel.SuspendLayout();
-			this.toolStripContainer.ContentPanel.SuspendLayout();
-			this.toolStripContainer.SuspendLayout();
-			this.statusStrip.SuspendLayout();
+			this.logoPictureBox = new System.Windows.Forms.PictureBox();
 			this.tableLayoutPanel.SuspendLayout();
 			((System.ComponentModel.ISupportInitialize)(this.logoPictureBox)).BeginInit();
 			this.SuspendLayout();
 			// 
-			// toolStripContainer
-			// 
-			this.toolStripContainer.AccessibleRole = System.Windows.Forms.AccessibleRole.Grouping;
-			// 
-			// toolStripContainer.BottomToolStripPanel
-			// 
-			this.toolStripContainer.BottomToolStripPanel.Controls.Add(this.statusStrip);
-			// 
-			// toolStripContainer.ContentPanel
-			// 
-			resources.ApplyResources(this.toolStripContainer.ContentPanel, "toolStripContainer.ContentPanel");
-			this.toolStripContainer.ContentPanel.Controls.Add(this.tableLayoutPanel);
-			resources.ApplyResources(this.toolStripContainer, "toolStripContainer");
-			this.toolStripContainer.Name = "toolStripContainer";
-			// 
-			// statusStrip
-			// 
-			this.statusStrip.AccessibleRole = System.Windows.Forms.AccessibleRole.StatusBar;
-			resources.ApplyResources(this.statusStrip, "statusStrip");
-			this.statusStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
-            this.toolStripStatusLabel});
-			this.statusStrip.Name = "statusStrip";
-			this.statusStrip.ShowItemToolTips = true;
-			this.statusStrip.SizingGrip = false;
-			// 
-			// toolStripStatusLabel
-			// 
-			this.toolStripStatusLabel.AccessibleRole = System.Windows.Forms.AccessibleRole.StaticText;
-			this.toolStripStatusLabel.Name = "toolStripStatusLabel";
-			resources.ApplyResources(this.toolStripStatusLabel, "toolStripStatusLabel");
-			// 
 			// tableLayoutPanel
 			// 
-			this.tableLayoutPanel.AccessibleRole = System.Windows.Forms.AccessibleRole.Grouping;
-			resources.ApplyResources(this.tableLayoutPanel, "tableLayoutPanel");
-			this.tableLayoutPanel.Controls.Add(this.logoPictureBox);
-			this.tableLayoutPanel.Controls.Add(this.labelProductName);
-			this.tableLayoutPanel.Controls.Add(this.labelVersion);
-			this.tableLayoutPanel.Controls.Add(this.labelCopyright);
-			this.tableLayoutPanel.Controls.Add(this.labelCompanyName);
-			this.tableLayoutPanel.Controls.Add(this.textBoxDescription);
-			this.tableLayoutPanel.Controls.Add(this.okButton);
+			this.tableLayoutPanel.ColumnCount = 2;
+			this.tableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 13.50365F));
+			this.tableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 86.49635F));
+			this.tableLayoutPanel.Controls.Add(this.logoPictureBox, 0, 0);
+			this.tableLayoutPanel.Controls.Add(this.labelProductName, 1, 0);
+			this.tableLayoutPanel.Controls.Add(this.labelVersion, 1, 1);
+			this.tableLayoutPanel.Controls.Add(this.labelCopyright, 1, 2);
+			this.tableLayoutPanel.Controls.Add(this.labelCompanyName, 1, 3);
+			this.tableLayoutPanel.Controls.Add(this.textBoxDescription, 1, 4);
+			this.tableLayoutPanel.Controls.Add(this.okButton, 1, 5);
+			this.tableLayoutPanel.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.tableLayoutPanel.Location = new System.Drawing.Point(9, 9);
 			this.tableLayoutPanel.Name = "tableLayoutPanel";
-			// 
-			// logoPictureBox
-			// 
-			this.logoPictureBox.AccessibleRole = System.Windows.Forms.AccessibleRole.Graphic;
-			resources.ApplyResources(this.logoPictureBox, "logoPictureBox");
-			this.logoPictureBox.Image = global::NumericListGenerator.Properties.Resources.text_list_numbers;
-			this.logoPictureBox.Name = "logoPictureBox";
-			this.tableLayoutPanel.SetRowSpan(this.logoPictureBox, 6);
-			this.logoPictureBox.TabStop = false;
+			this.tableLayoutPanel.RowCount = 6;
+			this.tableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 10F));
+			this.tableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 10F));
+			this.tableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 10F));
+			this.tableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 10F));
+			this.tableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 45.50265F));
+			this.tableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 16.40212F));
+			this.tableLayoutPanel.Size = new System.Drawing.Size(274, 189);
+			this.tableLayoutPanel.TabIndex = 0;
 			// 
 			// labelProductName
 			// 
-			this.labelProductName.AccessibleRole = System.Windows.Forms.AccessibleRole.StaticText;
-			this.labelProductName.BackColor = System.Drawing.Color.Transparent;
-			resources.ApplyResources(this.labelProductName, "labelProductName");
+			this.labelProductName.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.labelProductName.Location = new System.Drawing.Point(43, 0);
+			this.labelProductName.Margin = new System.Windows.Forms.Padding(6, 0, 3, 0);
+			this.labelProductName.MaximumSize = new System.Drawing.Size(0, 17);
 			this.labelProductName.Name = "labelProductName";
+			this.labelProductName.Size = new System.Drawing.Size(228, 17);
+			this.labelProductName.TabIndex = 0;
+			this.labelProductName.Text = "Produktname";
+			this.labelProductName.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			// 
 			// labelVersion
 			// 
-			this.labelVersion.AccessibleRole = System.Windows.Forms.AccessibleRole.StaticText;
-			this.labelVersion.BackColor = System.Drawing.Color.Transparent;
-			resources.ApplyResources(this.labelVersion, "labelVersion");
+			this.labelVersion.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.labelVersion.Location = new System.Drawing.Point(43, 18);
+			this.labelVersion.Margin = new System.Windows.Forms.Padding(6, 0, 3, 0);
+			this.labelVersion.MaximumSize = new System.Drawing.Size(0, 17);
 			this.labelVersion.Name = "labelVersion";
+			this.labelVersion.Size = new System.Drawing.Size(228, 17);
+			this.labelVersion.TabIndex = 1;
+			this.labelVersion.Text = "Version";
+			this.labelVersion.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			// 
 			// labelCopyright
 			// 
-			this.labelCopyright.AccessibleRole = System.Windows.Forms.AccessibleRole.StaticText;
-			this.labelCopyright.BackColor = System.Drawing.Color.Transparent;
-			resources.ApplyResources(this.labelCopyright, "labelCopyright");
+			this.labelCopyright.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.labelCopyright.Location = new System.Drawing.Point(43, 36);
+			this.labelCopyright.Margin = new System.Windows.Forms.Padding(6, 0, 3, 0);
+			this.labelCopyright.MaximumSize = new System.Drawing.Size(0, 17);
 			this.labelCopyright.Name = "labelCopyright";
+			this.labelCopyright.Size = new System.Drawing.Size(228, 17);
+			this.labelCopyright.TabIndex = 2;
+			this.labelCopyright.Text = "Copyright";
+			this.labelCopyright.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			// 
 			// labelCompanyName
 			// 
-			this.labelCompanyName.AccessibleRole = System.Windows.Forms.AccessibleRole.StaticText;
-			this.labelCompanyName.BackColor = System.Drawing.Color.Transparent;
-			resources.ApplyResources(this.labelCompanyName, "labelCompanyName");
+			this.labelCompanyName.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.labelCompanyName.Location = new System.Drawing.Point(43, 54);
+			this.labelCompanyName.Margin = new System.Windows.Forms.Padding(6, 0, 3, 0);
+			this.labelCompanyName.MaximumSize = new System.Drawing.Size(0, 17);
 			this.labelCompanyName.Name = "labelCompanyName";
+			this.labelCompanyName.Size = new System.Drawing.Size(228, 17);
+			this.labelCompanyName.TabIndex = 3;
+			this.labelCompanyName.Text = "Firmenname";
+			this.labelCompanyName.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			// 
 			// textBoxDescription
 			// 
-			this.textBoxDescription.AccessibleRole = System.Windows.Forms.AccessibleRole.Text;
-			resources.ApplyResources(this.textBoxDescription, "textBoxDescription");
+			this.textBoxDescription.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.textBoxDescription.Location = new System.Drawing.Point(43, 75);
+			this.textBoxDescription.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+			this.textBoxDescription.Multiline = true;
 			this.textBoxDescription.Name = "textBoxDescription";
 			this.textBoxDescription.ReadOnly = true;
+			this.textBoxDescription.ScrollBars = System.Windows.Forms.ScrollBars.Both;
+			this.textBoxDescription.Size = new System.Drawing.Size(228, 78);
+			this.textBoxDescription.TabIndex = 4;
 			this.textBoxDescription.TabStop = false;
+			this.textBoxDescription.Text = "Beschreibung";
 			// 
 			// okButton
 			// 
-			this.okButton.AccessibleRole = System.Windows.Forms.AccessibleRole.PushButton;
-			resources.ApplyResources(this.okButton, "okButton");
+			this.okButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
 			this.okButton.DialogResult = System.Windows.Forms.DialogResult.Cancel;
 			this.okButton.Image = global::NumericListGenerator.Properties.Resources.tick;
+			this.okButton.Location = new System.Drawing.Point(214, 163);
 			this.okButton.Name = "okButton";
+			this.okButton.Size = new System.Drawing.Size(57, 23);
+			this.okButton.TabIndex = 5;
+			this.okButton.Text = "&OK";
+			this.okButton.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			// 
+			// logoPictureBox
+			// 
+			this.logoPictureBox.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.logoPictureBox.Image = global::NumericListGenerator.Properties.Resources.text_list_numbers;
+			this.logoPictureBox.Location = new System.Drawing.Point(3, 3);
+			this.logoPictureBox.Name = "logoPictureBox";
+			this.tableLayoutPanel.SetRowSpan(this.logoPictureBox, 6);
+			this.logoPictureBox.Size = new System.Drawing.Size(31, 183);
+			this.logoPictureBox.TabIndex = 12;
+			this.logoPictureBox.TabStop = false;
 			// 
 			// AboutBoxForm
 			// 
 			this.AcceptButton = this.okButton;
-			this.AccessibleRole = System.Windows.Forms.AccessibleRole.Window;
-			resources.ApplyResources(this, "$this");
+			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.Controls.Add(this.toolStripContainer);
+			this.ClientSize = new System.Drawing.Size(292, 207);
+			this.Controls.Add(this.tableLayoutPanel);
 			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
+			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
 			this.MaximizeBox = false;
 			this.MinimizeBox = false;
 			this.Name = "AboutBoxForm";
+			this.Padding = new System.Windows.Forms.Padding(9);
 			this.ShowIcon = false;
 			this.ShowInTaskbar = false;
-			this.Load += new System.EventHandler(this.AboutBoxForm_Load);
-			this.toolStripContainer.BottomToolStripPanel.ResumeLayout(false);
-			this.toolStripContainer.BottomToolStripPanel.PerformLayout();
-			this.toolStripContainer.ContentPanel.ResumeLayout(false);
-			this.toolStripContainer.ResumeLayout(false);
-			this.toolStripContainer.PerformLayout();
-			this.statusStrip.ResumeLayout(false);
-			this.statusStrip.PerformLayout();
+			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+			this.Text = "AboutBoxForm";
 			this.tableLayoutPanel.ResumeLayout(false);
 			this.tableLayoutPanel.PerformLayout();
 			((System.ComponentModel.ISupportInitialize)(this.logoPictureBox)).EndInit();
@@ -184,9 +184,5 @@ private void InitializeComponent()
     private System.Windows.Forms.Label labelCompanyName;
     private System.Windows.Forms.TextBox textBoxDescription;
     private System.Windows.Forms.Button okButton;
-		private System.Windows.Forms.ToolTip toolTip;
-		private System.Windows.Forms.StatusStrip statusStrip;
-		private System.Windows.Forms.ToolStripContainer toolStripContainer;
-		private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel;
-	}
+  }
 }
diff --git a/Numeric List Generator/AboutBoxForm.cs b/Numeric List Generator/AboutBoxForm.cs
index 5181f77a..8d225fd0 100644
--- a/Numeric List Generator/AboutBoxForm.cs	
+++ b/Numeric List Generator/AboutBoxForm.cs	
@@ -1,50 +1,99 @@
-using MijoSoftware.AssemblyInformation;
-
-using System;
+using System.Reflection;
 using System.Windows.Forms;
 
 namespace NumericListGenerator
 {
-	/// <summary>
-	/// AboutBoxForm
-	/// </summary>
-	internal partial class AboutBoxForm : Form
-	{
-		/// <summary>
-		/// Constructor
-		/// </summary>
-		public AboutBoxForm() => InitializeComponent();
-
-		/// <summary>
-		/// Set the information text in the status bar
-		/// </summary>
-		/// <param name="sender">object sender</param>
-		/// <param name="e">event arguments</param>
-		/// <remarks>The parameters <paramref name="e"/> and <paramref name="sender"/> are not needed, but must be indicated.</remarks>
-		private void SetStatusbar_Enter(object sender, EventArgs e) => toolStripStatusLabel.Text = ((Control)sender).AccessibleDescription;
-
-		/// <summary>
-		/// Clear the information text in the status bar
-		/// </summary>
-		/// <param name="sender">object sender</param>
-		/// <param name="e">event arguments</param>
-		/// <remarks>The parameters <paramref name="e"/> and <paramref name="sender"/> are not needed, but must be indicated.</remarks>
-		private void ClearStatusbar_Leave(object sender, EventArgs e) => toolStripStatusLabel.Text = string.Empty;
-
-		/// <summary>
-		/// Load the form
-		/// </summary>
-		/// <param name="sender">object sender</param>
-		/// <param name="e">event arguments</param>
-		/// <remarks>The parameters <paramref name="e"/> and <paramref name="sender"/> are not needed, but must be indicated.</remarks>
-		private void AboutBoxForm_Load(object sender, EventArgs e)
-		{
-			Text = $"Info über {AssemblyInfo.AssemblyTitle}";
-			labelProductName.Text = AssemblyInfo.AssemblyProduct;
-			labelVersion.Text = $"Version {AssemblyInfo.AssemblyVersion}";
-			labelCopyright.Text = AssemblyInfo.AssemblyCopyright;
-			labelCompanyName.Text = AssemblyInfo.AssemblyCompany;
-			textBoxDescription.Text = AssemblyInfo.AssemblyDescription;
-		}
+	partial class AboutBoxForm : Form
+  {
+    public AboutBoxForm()
+    {
+      InitializeComponent();
+      Text = $"Info über {AssemblyTitle}";
+      labelProductName.Text = AssemblyProduct;
+      labelVersion.Text = $"Version {AssemblyVersion}";
+      labelCopyright.Text = AssemblyCopyright;
+      labelCompanyName.Text = AssemblyCompany;
+      textBoxDescription.Text = AssemblyDescription;
+    }
+
+    #region Assemblyattributaccessoren
+
+    public static string AssemblyTitle
+    {
+      get
+      {
+        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(attributeType: typeof(AssemblyTitleAttribute), inherit: false);
+        if (attributes.Length > 0)
+        {
+          AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
+          if (!string.IsNullOrEmpty(value: titleAttribute.Title))
+          {
+            return titleAttribute.Title;
+          }
+        }
+        return System.IO.Path.GetFileNameWithoutExtension(path: Assembly.GetExecutingAssembly().CodeBase);
+      }
+    }
+
+    public static string AssemblyVersion
+    {
+      get
+      {
+        return Assembly.GetExecutingAssembly().GetName().Version.ToString();
+      }
+    }
+
+    public static string AssemblyDescription
+    {
+      get
+      {
+        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(attributeType: typeof(AssemblyDescriptionAttribute), inherit: false);
+        if (attributes.Length == 0)
+        {
+          return "";
+        }
+        return ((AssemblyDescriptionAttribute)attributes[0]).Description;
+      }
+    }
+
+    public static string AssemblyProduct
+    {
+      get
+      {
+        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(attributeType: typeof(AssemblyProductAttribute), inherit: false);
+        if (attributes.Length == 0)
+        {
+          return "";
+        }
+        return ((AssemblyProductAttribute)attributes[0]).Product;
+      }
+    }
+
+    public static string AssemblyCopyright
+    {
+      get
+      {
+        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(attributeType: typeof(AssemblyCopyrightAttribute), inherit: false);
+        if (attributes.Length == 0)
+        {
+          return "";
+        }
+        return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+      }
+    }
+
+    public static string AssemblyCompany
+    {
+      get
+      {
+        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(attributeType: typeof(AssemblyCompanyAttribute), inherit: false);
+        if (attributes.Length == 0)
+        {
+          return "";
+        }
+        return ((AssemblyCompanyAttribute)attributes[0]).Company;
+      }
+    }
+		#endregion
 	}
 }
diff --git a/Numeric List Generator/AboutBoxForm.resx b/Numeric List Generator/AboutBoxForm.resx
index fa29848f..2ca30b8f 100644
--- a/Numeric List Generator/AboutBoxForm.resx	
+++ b/Numeric List Generator/AboutBoxForm.resx	
@@ -117,423 +117,7 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="statusStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>101, 12</value>
-  </metadata>
-  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="statusStrip.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>None</value>
-  </data>
   <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
-  <data name="toolStripStatusLabel.Size" type="System.Drawing.Size, System.Drawing">
-    <value>112, 17</value>
-  </data>
-  <data name="toolStripStatusLabel.Text" xml:space="preserve">
-    <value>toolStripStatusLabel</value>
-  </data>
-  <data name="statusStrip.Location" type="System.Drawing.Point, System.Drawing">
-    <value>0, 0</value>
-  </data>
-  <data name="statusStrip.Size" type="System.Drawing.Size, System.Drawing">
-    <value>292, 22</value>
-  </data>
-  <assembly alias="mscorlib" name="mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="statusStrip.TabIndex" type="System.Int32, mscorlib">
-    <value>1</value>
-  </data>
-  <data name="statusStrip.Text" xml:space="preserve">
-    <value>statusStrip</value>
-  </data>
-  <data name="&gt;&gt;statusStrip.Name" xml:space="preserve">
-    <value>statusStrip</value>
-  </data>
-  <data name="&gt;&gt;statusStrip.Type" xml:space="preserve">
-    <value>System.Windows.Forms.StatusStrip, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;statusStrip.Parent" xml:space="preserve">
-    <value>toolStripContainer.BottomToolStripPanel</value>
-  </data>
-  <data name="&gt;&gt;statusStrip.ZOrder" xml:space="preserve">
-    <value>0</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.BottomToolStripPanel.Name" xml:space="preserve">
-    <value>toolStripContainer.BottomToolStripPanel</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.BottomToolStripPanel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.BottomToolStripPanel.Parent" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.BottomToolStripPanel.ZOrder" xml:space="preserve">
-    <value>4</value>
-  </data>
-  <data name="toolStripContainer.ContentPanel.AutoScroll" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="tableLayoutPanel.ColumnCount" type="System.Int32, mscorlib">
-    <value>2</value>
-  </data>
-  <data name="logoPictureBox.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="logoPictureBox.Location" type="System.Drawing.Point, System.Drawing">
-    <value>3, 3</value>
-  </data>
-  <data name="logoPictureBox.Size" type="System.Drawing.Size, System.Drawing">
-    <value>33, 205</value>
-  </data>
-  <data name="logoPictureBox.TabIndex" type="System.Int32, mscorlib">
-    <value>12</value>
-  </data>
-  <data name="&gt;&gt;logoPictureBox.Name" xml:space="preserve">
-    <value>logoPictureBox</value>
-  </data>
-  <data name="&gt;&gt;logoPictureBox.Type" xml:space="preserve">
-    <value>System.Windows.Forms.PictureBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;logoPictureBox.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;logoPictureBox.ZOrder" xml:space="preserve">
-    <value>0</value>
-  </data>
-  <data name="labelProductName.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="labelProductName.Location" type="System.Drawing.Point, System.Drawing">
-    <value>45, 0</value>
-  </data>
-  <data name="labelProductName.Margin" type="System.Windows.Forms.Padding, System.Windows.Forms">
-    <value>6, 0, 3, 0</value>
-  </data>
-  <data name="labelProductName.MaximumSize" type="System.Drawing.Size, System.Drawing">
-    <value>0, 17</value>
-  </data>
-  <data name="labelProductName.Size" type="System.Drawing.Size, System.Drawing">
-    <value>244, 17</value>
-  </data>
-  <data name="labelProductName.TabIndex" type="System.Int32, mscorlib">
-    <value>0</value>
-  </data>
-  <data name="labelProductName.Text" xml:space="preserve">
-    <value>Produktname</value>
-  </data>
-  <data name="labelProductName.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleLeft</value>
-  </data>
-  <data name="&gt;&gt;labelProductName.Name" xml:space="preserve">
-    <value>labelProductName</value>
-  </data>
-  <data name="&gt;&gt;labelProductName.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelProductName.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;labelProductName.ZOrder" xml:space="preserve">
-    <value>1</value>
-  </data>
-  <data name="labelVersion.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="labelVersion.Location" type="System.Drawing.Point, System.Drawing">
-    <value>45, 20</value>
-  </data>
-  <data name="labelVersion.Margin" type="System.Windows.Forms.Padding, System.Windows.Forms">
-    <value>6, 0, 3, 0</value>
-  </data>
-  <data name="labelVersion.MaximumSize" type="System.Drawing.Size, System.Drawing">
-    <value>0, 17</value>
-  </data>
-  <data name="labelVersion.Size" type="System.Drawing.Size, System.Drawing">
-    <value>244, 17</value>
-  </data>
-  <data name="labelVersion.TabIndex" type="System.Int32, mscorlib">
-    <value>1</value>
-  </data>
-  <data name="labelVersion.Text" xml:space="preserve">
-    <value>Version</value>
-  </data>
-  <data name="labelVersion.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleLeft</value>
-  </data>
-  <data name="&gt;&gt;labelVersion.Name" xml:space="preserve">
-    <value>labelVersion</value>
-  </data>
-  <data name="&gt;&gt;labelVersion.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelVersion.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;labelVersion.ZOrder" xml:space="preserve">
-    <value>2</value>
-  </data>
-  <data name="labelCopyright.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="labelCopyright.Location" type="System.Drawing.Point, System.Drawing">
-    <value>45, 40</value>
-  </data>
-  <data name="labelCopyright.Margin" type="System.Windows.Forms.Padding, System.Windows.Forms">
-    <value>6, 0, 3, 0</value>
-  </data>
-  <data name="labelCopyright.MaximumSize" type="System.Drawing.Size, System.Drawing">
-    <value>0, 17</value>
-  </data>
-  <data name="labelCopyright.Size" type="System.Drawing.Size, System.Drawing">
-    <value>244, 17</value>
-  </data>
-  <data name="labelCopyright.TabIndex" type="System.Int32, mscorlib">
-    <value>2</value>
-  </data>
-  <data name="labelCopyright.Text" xml:space="preserve">
-    <value>Copyright</value>
-  </data>
-  <data name="labelCopyright.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleLeft</value>
-  </data>
-  <data name="&gt;&gt;labelCopyright.Name" xml:space="preserve">
-    <value>labelCopyright</value>
-  </data>
-  <data name="&gt;&gt;labelCopyright.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelCopyright.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;labelCopyright.ZOrder" xml:space="preserve">
-    <value>3</value>
-  </data>
-  <data name="labelCompanyName.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="labelCompanyName.Location" type="System.Drawing.Point, System.Drawing">
-    <value>45, 60</value>
-  </data>
-  <data name="labelCompanyName.Margin" type="System.Windows.Forms.Padding, System.Windows.Forms">
-    <value>6, 0, 3, 0</value>
-  </data>
-  <data name="labelCompanyName.MaximumSize" type="System.Drawing.Size, System.Drawing">
-    <value>0, 17</value>
-  </data>
-  <data name="labelCompanyName.Size" type="System.Drawing.Size, System.Drawing">
-    <value>244, 17</value>
-  </data>
-  <data name="labelCompanyName.TabIndex" type="System.Int32, mscorlib">
-    <value>3</value>
-  </data>
-  <data name="labelCompanyName.Text" xml:space="preserve">
-    <value>Firmenname</value>
-  </data>
-  <data name="labelCompanyName.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleLeft</value>
-  </data>
-  <data name="&gt;&gt;labelCompanyName.Name" xml:space="preserve">
-    <value>labelCompanyName</value>
-  </data>
-  <data name="&gt;&gt;labelCompanyName.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelCompanyName.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;labelCompanyName.ZOrder" xml:space="preserve">
-    <value>4</value>
-  </data>
-  <data name="textBoxDescription.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="textBoxDescription.Location" type="System.Drawing.Point, System.Drawing">
-    <value>45, 83</value>
-  </data>
-  <data name="textBoxDescription.Margin" type="System.Windows.Forms.Padding, System.Windows.Forms">
-    <value>6, 3, 3, 3</value>
-  </data>
-  <data name="textBoxDescription.Multiline" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="textBoxDescription.ScrollBars" type="System.Windows.Forms.ScrollBars, System.Windows.Forms">
-    <value>Both</value>
-  </data>
-  <data name="textBoxDescription.Size" type="System.Drawing.Size, System.Drawing">
-    <value>244, 88</value>
-  </data>
-  <data name="textBoxDescription.TabIndex" type="System.Int32, mscorlib">
-    <value>4</value>
-  </data>
-  <data name="textBoxDescription.Text" xml:space="preserve">
-    <value>Beschreibung</value>
-  </data>
-  <data name="&gt;&gt;textBoxDescription.Name" xml:space="preserve">
-    <value>textBoxDescription</value>
-  </data>
-  <data name="&gt;&gt;textBoxDescription.Type" xml:space="preserve">
-    <value>System.Windows.Forms.TextBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;textBoxDescription.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;textBoxDescription.ZOrder" xml:space="preserve">
-    <value>5</value>
-  </data>
-  <data name="okButton.Anchor" type="System.Windows.Forms.AnchorStyles, System.Windows.Forms">
-    <value>Bottom, Right</value>
-  </data>
-  <data name="okButton.ImageAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="okButton.Location" type="System.Drawing.Point, System.Drawing">
-    <value>232, 185</value>
-  </data>
-  <data name="okButton.Size" type="System.Drawing.Size, System.Drawing">
-    <value>57, 23</value>
-  </data>
-  <data name="okButton.TabIndex" type="System.Int32, mscorlib">
-    <value>5</value>
-  </data>
-  <data name="okButton.Text" xml:space="preserve">
-    <value>&amp;OK</value>
-  </data>
-  <data name="okButton.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="&gt;&gt;okButton.Name" xml:space="preserve">
-    <value>okButton</value>
-  </data>
-  <data name="&gt;&gt;okButton.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;okButton.Parent" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;okButton.ZOrder" xml:space="preserve">
-    <value>6</value>
-  </data>
-  <data name="tableLayoutPanel.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="tableLayoutPanel.Location" type="System.Drawing.Point, System.Drawing">
-    <value>0, 0</value>
-  </data>
-  <data name="tableLayoutPanel.RowCount" type="System.Int32, mscorlib">
-    <value>6</value>
-  </data>
-  <data name="tableLayoutPanel.Size" type="System.Drawing.Size, System.Drawing">
-    <value>292, 211</value>
-  </data>
-  <data name="tableLayoutPanel.TabIndex" type="System.Int32, mscorlib">
-    <value>0</value>
-  </data>
-  <data name="&gt;&gt;tableLayoutPanel.Name" xml:space="preserve">
-    <value>tableLayoutPanel</value>
-  </data>
-  <data name="&gt;&gt;tableLayoutPanel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.TableLayoutPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;tableLayoutPanel.Parent" xml:space="preserve">
-    <value>toolStripContainer.ContentPanel</value>
-  </data>
-  <data name="&gt;&gt;tableLayoutPanel.ZOrder" xml:space="preserve">
-    <value>0</value>
-  </data>
-  <data name="tableLayoutPanel.LayoutSettings" type="System.Windows.Forms.TableLayoutSettings, System.Windows.Forms">
-    <value>&lt;?xml version="1.0" encoding="utf-16"?&gt;&lt;TableLayoutSettings&gt;&lt;Controls&gt;&lt;Control Name="logoPictureBox" Row="-1" RowSpan="6" Column="-1" ColumnSpan="1" /&gt;&lt;Control Name="labelProductName" Row="-1" RowSpan="1" Column="-1" ColumnSpan="1" /&gt;&lt;Control Name="labelVersion" Row="-1" RowSpan="1" Column="-1" ColumnSpan="1" /&gt;&lt;Control Name="labelCopyright" Row="-1" RowSpan="1" Column="-1" ColumnSpan="1" /&gt;&lt;Control Name="labelCompanyName" Row="-1" RowSpan="1" Column="-1" ColumnSpan="1" /&gt;&lt;Control Name="textBoxDescription" Row="-1" RowSpan="1" Column="-1" ColumnSpan="1" /&gt;&lt;Control Name="okButton" Row="-1" RowSpan="1" Column="-1" ColumnSpan="1" /&gt;&lt;/Controls&gt;&lt;Columns Styles="Percent,13,50365,Percent,86,49635" /&gt;&lt;Rows Styles="Percent,10,Percent,10,Percent,10,Percent,10,Percent,45,50265,Percent,16,40212" /&gt;&lt;/TableLayoutSettings&gt;</value>
-  </data>
-  <data name="toolStripContainer.ContentPanel.Size" type="System.Drawing.Size, System.Drawing">
-    <value>292, 211</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.ContentPanel.Name" xml:space="preserve">
-    <value>toolStripContainer.ContentPanel</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.ContentPanel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripContentPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.ContentPanel.Parent" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.ContentPanel.ZOrder" xml:space="preserve">
-    <value>0</value>
-  </data>
-  <data name="toolStripContainer.Dock" type="System.Windows.Forms.DockStyle, System.Windows.Forms">
-    <value>Fill</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.LeftToolStripPanel.Name" xml:space="preserve">
-    <value>toolStripContainer.LeftToolStripPanel</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.LeftToolStripPanel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.LeftToolStripPanel.Parent" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.LeftToolStripPanel.ZOrder" xml:space="preserve">
-    <value>1</value>
-  </data>
-  <data name="toolStripContainer.Location" type="System.Drawing.Point, System.Drawing">
-    <value>0, 0</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.RightToolStripPanel.Name" xml:space="preserve">
-    <value>toolStripContainer.RightToolStripPanel</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.RightToolStripPanel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.RightToolStripPanel.Parent" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.RightToolStripPanel.ZOrder" xml:space="preserve">
-    <value>2</value>
-  </data>
-  <data name="toolStripContainer.Size" type="System.Drawing.Size, System.Drawing">
-    <value>292, 258</value>
-  </data>
-  <data name="toolStripContainer.TabIndex" type="System.Int32, mscorlib">
-    <value>2</value>
-  </data>
-  <data name="toolStripContainer.Text" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.TopToolStripPanel.Name" xml:space="preserve">
-    <value>toolStripContainer.TopToolStripPanel</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.TopToolStripPanel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripPanel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.TopToolStripPanel.Parent" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.TopToolStripPanel.ZOrder" xml:space="preserve">
-    <value>3</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.Name" xml:space="preserve">
-    <value>toolStripContainer</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripContainer, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;toolStripContainer.ZOrder" xml:space="preserve">
-    <value>0</value>
-  </data>
-  <metadata name="toolTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>11, 12</value>
-  </metadata>
-  <metadata name="$this.Localizable" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>True</value>
-  </metadata>
-  <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>48</value>
-  </metadata>
-  <data name="$this.AutoScaleDimensions" type="System.Drawing.SizeF, System.Drawing">
-    <value>6, 13</value>
-  </data>
-  <data name="$this.ClientSize" type="System.Drawing.Size, System.Drawing">
-    <value>292, 258</value>
-  </data>
   <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         AAABAAIAEBAAAAEAIABoBAAAJgAAACAgAAABACAAqBAAAI4EAAAoAAAAEAAAACAAAAABACAAAAAAAAAA
@@ -629,28 +213,4 @@
         AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
 </value>
   </data>
-  <data name="$this.StartPosition" type="System.Windows.Forms.FormStartPosition, System.Windows.Forms">
-    <value>CenterParent</value>
-  </data>
-  <data name="$this.Text" xml:space="preserve">
-    <value>About</value>
-  </data>
-  <data name="&gt;&gt;toolStripStatusLabel.Name" xml:space="preserve">
-    <value>toolStripStatusLabel</value>
-  </data>
-  <data name="&gt;&gt;toolStripStatusLabel.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolStripStatusLabel, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;toolTip.Name" xml:space="preserve">
-    <value>toolTip</value>
-  </data>
-  <data name="&gt;&gt;toolTip.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolTip, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;$this.Name" xml:space="preserve">
-    <value>AboutBoxForm</value>
-  </data>
-  <data name="&gt;&gt;$this.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Form, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
 </root>
\ No newline at end of file
diff --git a/Numeric List Generator/GlobalSuppressions.cs b/Numeric List Generator/GlobalSuppressions.cs
new file mode 100644
index 00000000..fed7aff5
Binary files /dev/null and b/Numeric List Generator/GlobalSuppressions.cs differ
diff --git a/Numeric List Generator/Numeric List Generator.csproj b/Numeric List Generator/Numeric List Generator.csproj
index 81cc3f47..b00f6194 100644
--- a/Numeric List Generator/Numeric List Generator.csproj	
+++ b/Numeric List Generator/Numeric List Generator.csproj	
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\Microsoft.CodeAnalysis.FxCopAnalyzers.2.9.8\build\Microsoft.CodeAnalysis.FxCopAnalyzers.props" Condition="Exists('..\packages\Microsoft.CodeAnalysis.FxCopAnalyzers.2.9.8\build\Microsoft.CodeAnalysis.FxCopAnalyzers.props')" />
-  <Import Project="..\packages\Microsoft.NetFramework.Analyzers.2.9.8\build\Microsoft.NetFramework.Analyzers.props" Condition="Exists('..\packages\Microsoft.NetFramework.Analyzers.2.9.8\build\Microsoft.NetFramework.Analyzers.props')" />
-  <Import Project="..\packages\Microsoft.NetCore.Analyzers.2.9.8\build\Microsoft.NetCore.Analyzers.props" Condition="Exists('..\packages\Microsoft.NetCore.Analyzers.2.9.8\build\Microsoft.NetCore.Analyzers.props')" />
-  <Import Project="..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\build\Microsoft.CodeQuality.Analyzers.props" Condition="Exists('..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\build\Microsoft.CodeQuality.Analyzers.props')" />
-  <Import Project="..\packages\Microsoft.CodeAnalysis.VersionCheckAnalyzer.2.9.8\build\Microsoft.CodeAnalysis.VersionCheckAnalyzer.props" Condition="Exists('..\packages\Microsoft.CodeAnalysis.VersionCheckAnalyzer.2.9.8\build\Microsoft.CodeAnalysis.VersionCheckAnalyzer.props')" />
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.props" Condition="Exists('..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -15,7 +11,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>NumericListGenerator</RootNamespace>
     <AssemblyName>Numeric List Generator</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ApplicationIcon>Numeric List Generator.ico</ApplicationIcon>
     <FileUpgradeFlags>
@@ -52,8 +48,6 @@
     <WarningLevel>4</WarningLevel>
     <DocumentationFile>bin\Debug\Numeric List Generator.xml</DocumentationFile>
     <RunCodeAnalysis>true</RunCodeAnalysis>
-    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
@@ -66,9 +60,9 @@
     <DocumentationFile>bin\Release\Numeric List Generator.xml</DocumentationFile>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <RunCodeAnalysis>true</RunCodeAnalysis>
-    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
+    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
+    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
     <DebugSymbols>true</DebugSymbols>
@@ -80,7 +74,6 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <DocumentationFile>bin\x64\Debug\Numeric List Generator.xml</DocumentationFile>
     <RunCodeAnalysis>true</RunCodeAnalysis>
-    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
@@ -90,11 +83,11 @@
     <DebugType>pdbonly</DebugType>
     <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <DocumentationFile>bin\x64\Release\Numeric List Generator.xml</DocumentationFile>
     <RunCodeAnalysis>true</RunCodeAnalysis>
-    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
     <Prefer32Bit>false</Prefer32Bit>
+    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
   </PropertyGroup>
   <PropertyGroup>
     <StartupObject>NumericListGenerator.Program</StartupObject>
@@ -114,12 +107,7 @@
     <Compile Include="AboutBoxForm.Designer.cs">
       <DependentUpon>AboutBoxForm.cs</DependentUpon>
     </Compile>
-    <Compile Include="AssemblyInfo.cs" />
-    <Compile Include="L10N.Designer.cs">
-      <AutoGen>True</AutoGen>
-      <DesignTime>True</DesignTime>
-      <DependentUpon>L10N.resx</DependentUpon>
-    </Compile>
+    <Compile Include="GlobalSuppressions.cs" />
     <Compile Include="NumericListGeneratorForm.cs">
       <SubType>Form</SubType>
     </Compile>
@@ -132,27 +120,6 @@
       <DependentUpon>AboutBoxForm.cs</DependentUpon>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <EmbeddedResource Include="L10N.de.resx" />
-    <EmbeddedResource Include="L10N.en.resx" />
-    <EmbeddedResource Include="L10N.resx">
-      <Generator>PublicResXFileCodeGenerator</Generator>
-      <LastGenOutput>L10N.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <EmbeddedResource Include="NumericListGeneratorForm.de.resx">
-      <DependentUpon>NumericListGeneratorForm.cs</DependentUpon>
-    </EmbeddedResource>
-    <EmbeddedResource Include="NumericListGeneratorForm.en.resx">
-      <DependentUpon>NumericListGeneratorForm.cs</DependentUpon>
-    </EmbeddedResource>
-    <EmbeddedResource Include="NumericListGeneratorForm.es.resx">
-      <DependentUpon>NumericListGeneratorForm.cs</DependentUpon>
-    </EmbeddedResource>
-    <EmbeddedResource Include="NumericListGeneratorForm.fr.resx">
-      <DependentUpon>NumericListGeneratorForm.cs</DependentUpon>
-    </EmbeddedResource>
-    <EmbeddedResource Include="NumericListGeneratorForm.it.resx">
-      <DependentUpon>NumericListGeneratorForm.cs</DependentUpon>
-    </EmbeddedResource>
     <EmbeddedResource Include="NumericListGeneratorForm.resx">
       <DependentUpon>NumericListGeneratorForm.cs</DependentUpon>
       <SubType>Designer</SubType>
@@ -181,6 +148,7 @@
   </ItemGroup>
   <ItemGroup>
     <Content Include="Numeric List Generator.ico" />
+    <None Include="Resources\arrow_undo.png" />
     <None Include="Resources\text_list_numbers.png" />
     <None Include="Resources\door_open.png" />
     <None Include="Resources\bin_empty.png" />
@@ -218,27 +186,18 @@
     </BootstrapperPackage>
   </ItemGroup>
   <ItemGroup>
-    <Analyzer Include="..\packages\Microsoft.CodeAnalysis.VersionCheckAnalyzer.2.9.8\analyzers\dotnet\cs\Microsoft.CodeAnalysis.VersionCheckAnalyzer.resources.dll" />
-    <Analyzer Include="..\packages\Microsoft.CodeAnalysis.VersionCheckAnalyzer.2.9.8\analyzers\dotnet\Microsoft.CodeAnalysis.VersionCheckAnalyzer.dll" />
-    <Analyzer Include="..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\analyzers\dotnet\cs\Humanizer.dll" />
-    <Analyzer Include="..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\analyzers\dotnet\cs\Microsoft.CodeQuality.Analyzers.dll" />
-    <Analyzer Include="..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\analyzers\dotnet\cs\Microsoft.CodeQuality.CSharp.Analyzers.dll" />
-    <Analyzer Include="..\packages\Microsoft.NetCore.Analyzers.2.9.8\analyzers\dotnet\cs\Microsoft.NetCore.Analyzers.dll" />
-    <Analyzer Include="..\packages\Microsoft.NetCore.Analyzers.2.9.8\analyzers\dotnet\cs\Microsoft.NetCore.CSharp.Analyzers.dll" />
-    <Analyzer Include="..\packages\Microsoft.NetFramework.Analyzers.2.9.8\analyzers\dotnet\cs\Microsoft.NetFramework.Analyzers.dll" />
-    <Analyzer Include="..\packages\Microsoft.NetFramework.Analyzers.2.9.8\analyzers\dotnet\cs\Microsoft.NetFramework.CSharp.Analyzers.dll" />
+    <Analyzer Include="..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\analyzers\dotnet\cs\Microsoft.CodeAnalysis.CSharp.NetAnalyzers.dll" />
+    <Analyzer Include="..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\analyzers\dotnet\cs\Microsoft.CodeAnalysis.NetAnalyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>Dieses Projekt verweist auf mindestens ein NuGet-Paket, das auf diesem Computer fehlt. Verwenden Sie die Wiederherstellung von NuGet-Paketen, um die fehlenden Dateien herunterzuladen. Weitere Informationen finden Sie unter "http://go.microsoft.com/fwlink/?LinkID=322105". Die fehlende Datei ist "{0}".</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\Microsoft.CodeAnalysis.VersionCheckAnalyzer.2.9.8\build\Microsoft.CodeAnalysis.VersionCheckAnalyzer.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeAnalysis.VersionCheckAnalyzer.2.9.8\build\Microsoft.CodeAnalysis.VersionCheckAnalyzer.props'))" />
-    <Error Condition="!Exists('..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\build\Microsoft.CodeQuality.Analyzers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeQuality.Analyzers.2.9.8\build\Microsoft.CodeQuality.Analyzers.props'))" />
-    <Error Condition="!Exists('..\packages\Microsoft.NetCore.Analyzers.2.9.8\build\Microsoft.NetCore.Analyzers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.NetCore.Analyzers.2.9.8\build\Microsoft.NetCore.Analyzers.props'))" />
-    <Error Condition="!Exists('..\packages\Microsoft.NetFramework.Analyzers.2.9.8\build\Microsoft.NetFramework.Analyzers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.NetFramework.Analyzers.2.9.8\build\Microsoft.NetFramework.Analyzers.props'))" />
-    <Error Condition="!Exists('..\packages\Microsoft.CodeAnalysis.FxCopAnalyzers.2.9.8\build\Microsoft.CodeAnalysis.FxCopAnalyzers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeAnalysis.FxCopAnalyzers.2.9.8\build\Microsoft.CodeAnalysis.FxCopAnalyzers.props'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.props'))" />
+    <Error Condition="!Exists('..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.targets'))" />
   </Target>
+  <Import Project="..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.targets" Condition="Exists('..\packages\Microsoft.CodeAnalysis.NetAnalyzers.5.0.3\build\Microsoft.CodeAnalysis.NetAnalyzers.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/Numeric List Generator/NumericListGeneratorForm.Designer.cs b/Numeric List Generator/NumericListGeneratorForm.Designer.cs
index 914d50f2..2415386f 100644
--- a/Numeric List Generator/NumericListGeneratorForm.Designer.cs	
+++ b/Numeric List Generator/NumericListGeneratorForm.Designer.cs	
@@ -39,49 +39,67 @@ private void InitializeComponent()
 			this.checkBoxFillWithZeros = new System.Windows.Forms.CheckBox();
 			this.textBoxList = new System.Windows.Forms.TextBox();
 			this.labelProcress = new System.Windows.Forms.Label();
-			this.progressBarProcress = new System.Windows.Forms.ProgressBar();
-			this.buttonCreateList = new System.Windows.Forms.Button();
+			this.progressBar = new System.Windows.Forms.ProgressBar();
+			this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+			this.labelResult = new System.Windows.Forms.Label();
+			this.buttonUndo = new System.Windows.Forms.Button();
+			this.buttonCreateListe = new System.Windows.Forms.Button();
 			this.buttonInformationAboutApp = new System.Windows.Forms.Button();
 			this.buttonExitApp = new System.Windows.Forms.Button();
 			this.buttonDeleteList = new System.Windows.Forms.Button();
 			this.buttonSaveList = new System.Windows.Forms.Button();
 			this.buttonCopyList = new System.Windows.Forms.Button();
 			this.buttonAddToList = new System.Windows.Forms.Button();
-			this.comboBoxStringAfterNumber = new System.Windows.Forms.ComboBox();
-			this.comboBoxStringBeforeNumber = new System.Windows.Forms.ComboBox();
-			this.toolTip = new System.Windows.Forms.ToolTip(this.components);
-			this.comboBoxLanguage = new System.Windows.Forms.ComboBox();
-			this.labelResult = new System.Windows.Forms.Label();
-			this.backgroundWorker = new System.ComponentModel.BackgroundWorker();
+			this.statusStrip = new System.Windows.Forms.StatusStrip();
+			this.toolStripStatusLabelSize = new System.Windows.Forms.ToolStripStatusLabel();
+			this.toolStripStatusLabelLines = new System.Windows.Forms.ToolStripStatusLabel();
+			this.toolStripStatusLabelLim = new System.Windows.Forms.ToolStripStatusLabel();
+			this.textBoxStringBeforeNumber = new System.Windows.Forms.TextBox();
+			this.textBoxStringAfterNumber = new System.Windows.Forms.TextBox();
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownNumberMinimum)).BeginInit();
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownNumberMaximum)).BeginInit();
+			this.statusStrip.SuspendLayout();
 			this.SuspendLayout();
 			// 
 			// labelStringBeforeNumber
 			// 
-			resources.ApplyResources(this.labelStringBeforeNumber, "labelStringBeforeNumber");
+			this.labelStringBeforeNumber.AutoSize = true;
+			this.labelStringBeforeNumber.Location = new System.Drawing.Point(9, 9);
 			this.labelStringBeforeNumber.Name = "labelStringBeforeNumber";
+			this.labelStringBeforeNumber.Size = new System.Drawing.Size(133, 13);
+			this.labelStringBeforeNumber.TabIndex = 0;
+			this.labelStringBeforeNumber.Text = "Zeichenkette &vor der Zahl:";
 			// 
 			// labelStringAfterNumber
 			// 
-			resources.ApplyResources(this.labelStringAfterNumber, "labelStringAfterNumber");
+			this.labelStringAfterNumber.AutoSize = true;
+			this.labelStringAfterNumber.Location = new System.Drawing.Point(9, 93);
 			this.labelStringAfterNumber.Name = "labelStringAfterNumber";
+			this.labelStringAfterNumber.Size = new System.Drawing.Size(142, 13);
+			this.labelStringAfterNumber.TabIndex = 7;
+			this.labelStringAfterNumber.Text = "Zeichenkette &nach der Zahl:";
 			// 
 			// labelNumberMin
 			// 
-			resources.ApplyResources(this.labelNumberMin, "labelNumberMin");
+			this.labelNumberMin.AutoSize = true;
+			this.labelNumberMin.Location = new System.Drawing.Point(9, 60);
 			this.labelNumberMin.Name = "labelNumberMin";
+			this.labelNumberMin.Size = new System.Drawing.Size(61, 13);
+			this.labelNumberMin.TabIndex = 2;
+			this.labelNumberMin.Text = "Zahlen von";
 			// 
 			// numericUpDownNumberMinimum
 			// 
-			resources.ApplyResources(this.numericUpDownNumberMinimum, "numericUpDownNumberMinimum");
+			this.numericUpDownNumberMinimum.Location = new System.Drawing.Point(76, 58);
 			this.numericUpDownNumberMinimum.Maximum = new decimal(new int[] {
             9999999,
             0,
             0,
             0});
 			this.numericUpDownNumberMinimum.Name = "numericUpDownNumberMinimum";
-			this.toolTip.SetToolTip(this.numericUpDownNumberMinimum, resources.GetString("numericUpDownNumberMinimum.ToolTip"));
+			this.numericUpDownNumberMinimum.Size = new System.Drawing.Size(49, 20);
+			this.numericUpDownNumberMinimum.TabIndex = 3;
+			this.toolTip.SetToolTip(this.numericUpDownNumberMinimum, "Minimun der Zahl, mit der die Einträge erstellt werden sollen");
 			this.numericUpDownNumberMinimum.Value = new decimal(new int[] {
             1,
             0,
@@ -90,19 +108,25 @@ private void InitializeComponent()
 			// 
 			// labelNumberMax
 			// 
-			resources.ApplyResources(this.labelNumberMax, "labelNumberMax");
+			this.labelNumberMax.AutoSize = true;
+			this.labelNumberMax.Location = new System.Drawing.Point(131, 60);
 			this.labelNumberMax.Name = "labelNumberMax";
+			this.labelNumberMax.Size = new System.Drawing.Size(20, 13);
+			this.labelNumberMax.TabIndex = 4;
+			this.labelNumberMax.Text = "bis";
 			// 
 			// numericUpDownNumberMaximum
 			// 
-			resources.ApplyResources(this.numericUpDownNumberMaximum, "numericUpDownNumberMaximum");
+			this.numericUpDownNumberMaximum.Location = new System.Drawing.Point(157, 58);
 			this.numericUpDownNumberMaximum.Maximum = new decimal(new int[] {
             9999999,
             0,
             0,
             0});
 			this.numericUpDownNumberMaximum.Name = "numericUpDownNumberMaximum";
-			this.toolTip.SetToolTip(this.numericUpDownNumberMaximum, resources.GetString("numericUpDownNumberMaximum.ToolTip"));
+			this.numericUpDownNumberMaximum.Size = new System.Drawing.Size(49, 20);
+			this.numericUpDownNumberMaximum.TabIndex = 5;
+			this.toolTip.SetToolTip(this.numericUpDownNumberMaximum, "Maximun der Zahl, mit der die Einträge erstellt werden sollen");
 			this.numericUpDownNumberMaximum.Value = new decimal(new int[] {
             10,
             0,
@@ -111,138 +135,249 @@ private void InitializeComponent()
 			// 
 			// checkBoxFillWithZeros
 			// 
-			resources.ApplyResources(this.checkBoxFillWithZeros, "checkBoxFillWithZeros");
+			this.checkBoxFillWithZeros.AutoSize = true;
+			this.checkBoxFillWithZeros.Location = new System.Drawing.Point(219, 60);
 			this.checkBoxFillWithZeros.Name = "checkBoxFillWithZeros";
-			this.toolTip.SetToolTip(this.checkBoxFillWithZeros, resources.GetString("checkBoxFillWithZeros.ToolTip"));
+			this.checkBoxFillWithZeros.Size = new System.Drawing.Size(115, 17);
+			this.checkBoxFillWithZeros.TabIndex = 6;
+			this.checkBoxFillWithZeros.Text = "&mit Nullen auffüllen";
+			this.toolTip.SetToolTip(this.checkBoxFillWithZeros, "Markieren, wenn die Einträge mit voranführenden Nullen aufgefüllt werden sollen");
 			this.checkBoxFillWithZeros.UseVisualStyleBackColor = true;
 			// 
 			// textBoxList
 			// 
-			resources.ApplyResources(this.textBoxList, "textBoxList");
+			this.textBoxList.Location = new System.Drawing.Point(12, 262);
+			this.textBoxList.MaxLength = 2147483647;
+			this.textBoxList.Multiline = true;
 			this.textBoxList.Name = "textBoxList";
-			this.toolTip.SetToolTip(this.textBoxList, resources.GetString("textBoxList.ToolTip"));
+			this.textBoxList.ScrollBars = System.Windows.Forms.ScrollBars.Both;
+			this.textBoxList.Size = new System.Drawing.Size(339, 167);
+			this.textBoxList.TabIndex = 18;
+			this.toolTip.SetToolTip(this.textBoxList, "Zeigt die Liste mit den generierten Einträgen an");
+			this.textBoxList.WordWrap = false;
 			// 
 			// labelProcress
 			// 
-			resources.ApplyResources(this.labelProcress, "labelProcress");
+			this.labelProcress.AutoSize = true;
+			this.labelProcress.Location = new System.Drawing.Point(9, 219);
 			this.labelProcress.Name = "labelProcress";
+			this.labelProcress.Size = new System.Drawing.Size(70, 13);
+			this.labelProcress.TabIndex = 15;
+			this.labelProcress.Text = "Verarbeitung:";
 			// 
-			// progressBarProcress
+			// progressBar
 			// 
-			resources.ApplyResources(this.progressBarProcress, "progressBarProcress");
-			this.progressBarProcress.Name = "progressBarProcress";
-			this.progressBarProcress.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
-			this.toolTip.SetToolTip(this.progressBarProcress, resources.GetString("progressBarProcress.ToolTip"));
+			this.progressBar.Location = new System.Drawing.Point(85, 219);
+			this.progressBar.Name = "progressBar";
+			this.progressBar.Size = new System.Drawing.Size(266, 17);
+			this.progressBar.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
+			this.progressBar.TabIndex = 16;
+			this.toolTip.SetToolTip(this.progressBar, "Zeigt den laufenden Verarbeitungsstatus an");
 			// 
-			// buttonCreateList
+			// labelResult
 			// 
-			this.buttonCreateList.Image = global::NumericListGenerator.Properties.Resources.gear_in;
-			resources.ApplyResources(this.buttonCreateList, "buttonCreateList");
-			this.buttonCreateList.Name = "buttonCreateList";
-			this.toolTip.SetToolTip(this.buttonCreateList, resources.GetString("buttonCreateList.ToolTip"));
-			this.buttonCreateList.UseVisualStyleBackColor = true;
-			this.buttonCreateList.Click += new System.EventHandler(this.ButtonCreateListe_Click);
+			this.labelResult.AutoSize = true;
+			this.labelResult.Location = new System.Drawing.Point(9, 246);
+			this.labelResult.Name = "labelResult";
+			this.labelResult.Size = new System.Drawing.Size(51, 13);
+			this.labelResult.TabIndex = 17;
+			this.labelResult.Text = "E&rgebnis:";
+			// 
+			// buttonUndo
+			// 
+			this.buttonUndo.Image = global::NumericListGenerator.Properties.Resources.arrow_undo;
+			this.buttonUndo.Location = new System.Drawing.Point(12, 178);
+			this.buttonUndo.Name = "buttonUndo";
+			this.buttonUndo.Size = new System.Drawing.Size(120, 26);
+			this.buttonUndo.TabIndex = 12;
+			this.buttonUndo.Text = "&Undo";
+			this.buttonUndo.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonUndo.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonUndo, "Macht die letzte Änderung rückgängig");
+			this.buttonUndo.UseVisualStyleBackColor = true;
+			this.buttonUndo.Click += new System.EventHandler(this.ButtonUndo_Click);
+			// 
+			// buttonCreateListe
+			// 
+			this.buttonCreateListe.Image = global::NumericListGenerator.Properties.Resources.gear_in;
+			this.buttonCreateListe.Location = new System.Drawing.Point(12, 146);
+			this.buttonCreateListe.Name = "buttonCreateListe";
+			this.buttonCreateListe.Size = new System.Drawing.Size(120, 26);
+			this.buttonCreateListe.TabIndex = 9;
+			this.buttonCreateListe.Text = "Liste neu &erstellen";
+			this.buttonCreateListe.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonCreateListe.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonCreateListe, "Erstellt eine neue Liste");
+			this.buttonCreateListe.UseVisualStyleBackColor = true;
+			this.buttonCreateListe.Click += new System.EventHandler(this.ButtonCreateListe_Click);
 			// 
 			// buttonInformationAboutApp
 			// 
 			this.buttonInformationAboutApp.Image = global::NumericListGenerator.Properties.Resources.information;
-			resources.ApplyResources(this.buttonInformationAboutApp, "buttonInformationAboutApp");
+			this.buttonInformationAboutApp.Location = new System.Drawing.Point(12, 435);
 			this.buttonInformationAboutApp.Name = "buttonInformationAboutApp";
-			this.toolTip.SetToolTip(this.buttonInformationAboutApp, resources.GetString("buttonInformationAboutApp.ToolTip"));
+			this.buttonInformationAboutApp.Size = new System.Drawing.Size(58, 26);
+			this.buttonInformationAboutApp.TabIndex = 19;
+			this.buttonInformationAboutApp.Text = "&Info";
+			this.buttonInformationAboutApp.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonInformationAboutApp.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonInformationAboutApp, "Öffnet ein neues Fenste rmit ein paar Programminformationen");
 			this.buttonInformationAboutApp.UseVisualStyleBackColor = true;
 			this.buttonInformationAboutApp.Click += new System.EventHandler(this.ButtonInformationAboutApp_Click);
 			// 
 			// buttonExitApp
 			// 
 			this.buttonExitApp.Image = global::NumericListGenerator.Properties.Resources.door_open;
-			resources.ApplyResources(this.buttonExitApp, "buttonExitApp");
+			this.buttonExitApp.Location = new System.Drawing.Point(222, 435);
 			this.buttonExitApp.Name = "buttonExitApp";
-			this.toolTip.SetToolTip(this.buttonExitApp, resources.GetString("buttonExitApp.ToolTip"));
+			this.buttonExitApp.Size = new System.Drawing.Size(129, 26);
+			this.buttonExitApp.TabIndex = 20;
+			this.buttonExitApp.Text = "Programm &beenden";
+			this.buttonExitApp.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonExitApp.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonExitApp, "Beendet das Programm");
 			this.buttonExitApp.UseVisualStyleBackColor = true;
 			this.buttonExitApp.Click += new System.EventHandler(this.ButtonExitApp_Click);
 			// 
 			// buttonDeleteList
 			// 
 			this.buttonDeleteList.Image = global::NumericListGenerator.Properties.Resources.bin_empty;
-			resources.ApplyResources(this.buttonDeleteList, "buttonDeleteList");
+			this.buttonDeleteList.Location = new System.Drawing.Point(248, 146);
 			this.buttonDeleteList.Name = "buttonDeleteList";
-			this.toolTip.SetToolTip(this.buttonDeleteList, resources.GetString("buttonDeleteList.ToolTip"));
+			this.buttonDeleteList.Size = new System.Drawing.Size(103, 26);
+			this.buttonDeleteList.TabIndex = 11;
+			this.buttonDeleteList.Text = "Liste &löschen";
+			this.buttonDeleteList.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonDeleteList.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonDeleteList, "Löscht die Liste");
 			this.buttonDeleteList.UseVisualStyleBackColor = true;
 			this.buttonDeleteList.Click += new System.EventHandler(this.ButtonDeleteList_Click);
 			// 
 			// buttonSaveList
 			// 
 			this.buttonSaveList.Image = global::NumericListGenerator.Properties.Resources.diskette;
-			resources.ApplyResources(this.buttonSaveList, "buttonSaveList");
+			this.buttonSaveList.Location = new System.Drawing.Point(248, 178);
 			this.buttonSaveList.Name = "buttonSaveList";
-			this.toolTip.SetToolTip(this.buttonSaveList, resources.GetString("buttonSaveList.ToolTip"));
+			this.buttonSaveList.Size = new System.Drawing.Size(103, 26);
+			this.buttonSaveList.TabIndex = 14;
+			this.buttonSaveList.Text = "Liste &speichern";
+			this.buttonSaveList.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonSaveList.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonSaveList, "Speichert die Liste als Textdatei ab");
 			this.buttonSaveList.UseVisualStyleBackColor = true;
 			this.buttonSaveList.Click += new System.EventHandler(this.ButtonSaveList_Click);
 			// 
 			// buttonCopyList
 			// 
 			this.buttonCopyList.Image = global::NumericListGenerator.Properties.Resources.page_copy;
-			resources.ApplyResources(this.buttonCopyList, "buttonCopyList");
+			this.buttonCopyList.Location = new System.Drawing.Point(138, 178);
 			this.buttonCopyList.Name = "buttonCopyList";
-			this.toolTip.SetToolTip(this.buttonCopyList, resources.GetString("buttonCopyList.ToolTip"));
+			this.buttonCopyList.Size = new System.Drawing.Size(104, 26);
+			this.buttonCopyList.TabIndex = 13;
+			this.buttonCopyList.Text = "Liste &kopieren";
+			this.buttonCopyList.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonCopyList.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonCopyList, "Kopiert die Liste in die Zwischenanlage");
 			this.buttonCopyList.UseVisualStyleBackColor = true;
 			this.buttonCopyList.Click += new System.EventHandler(this.ButtonCopyList_Click);
 			// 
 			// buttonAddToList
 			// 
 			this.buttonAddToList.Image = global::NumericListGenerator.Properties.Resources.add;
-			resources.ApplyResources(this.buttonAddToList, "buttonAddToList");
+			this.buttonAddToList.Location = new System.Drawing.Point(138, 146);
 			this.buttonAddToList.Name = "buttonAddToList";
-			this.toolTip.SetToolTip(this.buttonAddToList, resources.GetString("buttonAddToList.ToolTip"));
+			this.buttonAddToList.Size = new System.Drawing.Size(104, 26);
+			this.buttonAddToList.TabIndex = 10;
+			this.buttonAddToList.Text = "Liste &anfügen";
+			this.buttonAddToList.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+			this.buttonAddToList.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText;
+			this.toolTip.SetToolTip(this.buttonAddToList, "Fügt die Einträge an der vorhandenen Liste an");
 			this.buttonAddToList.UseVisualStyleBackColor = true;
 			this.buttonAddToList.Click += new System.EventHandler(this.ButtonAddToList_Click);
 			// 
-			// comboBoxStringAfterNumber
-			// 
-			this.comboBoxStringAfterNumber.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend;
-			resources.ApplyResources(this.comboBoxStringAfterNumber, "comboBoxStringAfterNumber");
-			this.comboBoxStringAfterNumber.Name = "comboBoxStringAfterNumber";
-			this.toolTip.SetToolTip(this.comboBoxStringAfterNumber, resources.GetString("comboBoxStringAfterNumber.ToolTip"));
-			// 
-			// comboBoxStringBeforeNumber
-			// 
-			this.comboBoxStringBeforeNumber.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend;
-			resources.ApplyResources(this.comboBoxStringBeforeNumber, "comboBoxStringBeforeNumber");
-			this.comboBoxStringBeforeNumber.Name = "comboBoxStringBeforeNumber";
-			this.toolTip.SetToolTip(this.comboBoxStringBeforeNumber, resources.GetString("comboBoxStringBeforeNumber.ToolTip"));
-			// 
-			// comboBoxLanguage
-			// 
-			this.comboBoxLanguage.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-			this.comboBoxLanguage.FormattingEnabled = true;
-			resources.ApplyResources(this.comboBoxLanguage, "comboBoxLanguage");
-			this.comboBoxLanguage.Name = "comboBoxLanguage";
-			this.toolTip.SetToolTip(this.comboBoxLanguage, resources.GetString("comboBoxLanguage.ToolTip"));
-			this.comboBoxLanguage.SelectedIndexChanged += new System.EventHandler(this.ComboBoxLanguage_SelectedIndexChanged);
-			// 
-			// labelResult
-			// 
-			resources.ApplyResources(this.labelResult, "labelResult");
-			this.labelResult.Name = "labelResult";
-			// 
-			// backgroundWorker
-			// 
-			this.backgroundWorker.WorkerReportsProgress = true;
-			this.backgroundWorker.DoWork += new System.ComponentModel.DoWorkEventHandler(this.BackgroundWorker_DoWork);
-			this.backgroundWorker.ProgressChanged += new System.ComponentModel.ProgressChangedEventHandler(this.BackgroundWorker_ProgressChanged);
-			// 
-			// NumericListGenerator
-			// 
-			resources.ApplyResources(this, "$this");
+			// statusStrip
+			// 
+			this.statusStrip.AllowItemReorder = true;
+			this.statusStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.toolStripStatusLabelSize,
+            this.toolStripStatusLabelLines,
+            this.toolStripStatusLabelLim});
+			this.statusStrip.Location = new System.Drawing.Point(0, 465);
+			this.statusStrip.Name = "statusStrip";
+			this.statusStrip.ShowItemToolTips = true;
+			this.statusStrip.Size = new System.Drawing.Size(363, 24);
+			this.statusStrip.SizingGrip = false;
+			this.statusStrip.TabIndex = 21;
+			this.statusStrip.TabStop = true;
+			this.statusStrip.Text = "statusStrip";
+			// 
+			// toolStripStatusLabelSize
+			// 
+			this.toolStripStatusLabelSize.AutoToolTip = true;
+			this.toolStripStatusLabelSize.BorderSides = ((System.Windows.Forms.ToolStripStatusLabelBorderSides)((((System.Windows.Forms.ToolStripStatusLabelBorderSides.Left | System.Windows.Forms.ToolStripStatusLabelBorderSides.Top) 
+            | System.Windows.Forms.ToolStripStatusLabelBorderSides.Right) 
+            | System.Windows.Forms.ToolStripStatusLabelBorderSides.Bottom)));
+			this.toolStripStatusLabelSize.Name = "toolStripStatusLabelSize";
+			this.toolStripStatusLabelSize.Size = new System.Drawing.Size(43, 19);
+			this.toolStripStatusLabelSize.Text = "Größe";
+			// 
+			// toolStripStatusLabelLines
+			// 
+			this.toolStripStatusLabelLines.AutoToolTip = true;
+			this.toolStripStatusLabelLines.BorderSides = ((System.Windows.Forms.ToolStripStatusLabelBorderSides)((((System.Windows.Forms.ToolStripStatusLabelBorderSides.Left | System.Windows.Forms.ToolStripStatusLabelBorderSides.Top) 
+            | System.Windows.Forms.ToolStripStatusLabelBorderSides.Right) 
+            | System.Windows.Forms.ToolStripStatusLabelBorderSides.Bottom)));
+			this.toolStripStatusLabelLines.Name = "toolStripStatusLabelLines";
+			this.toolStripStatusLabelLines.Size = new System.Drawing.Size(43, 19);
+			this.toolStripStatusLabelLines.Text = "Linien";
+			// 
+			// toolStripStatusLabelLim
+			// 
+			this.toolStripStatusLabelLim.AutoToolTip = true;
+			this.toolStripStatusLabelLim.BorderSides = ((System.Windows.Forms.ToolStripStatusLabelBorderSides)((((System.Windows.Forms.ToolStripStatusLabelBorderSides.Left | System.Windows.Forms.ToolStripStatusLabelBorderSides.Top) 
+            | System.Windows.Forms.ToolStripStatusLabelBorderSides.Right) 
+            | System.Windows.Forms.ToolStripStatusLabelBorderSides.Bottom)));
+			this.toolStripStatusLabelLim.Name = "toolStripStatusLabelLim";
+			this.toolStripStatusLabelLim.Size = new System.Drawing.Size(262, 19);
+			this.toolStripStatusLabelLim.Spring = true;
+			this.toolStripStatusLabelLim.Text = "LIM";
+			// 
+			// textBoxStringBeforeNumber
+			// 
+			this.textBoxStringBeforeNumber.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend;
+			this.textBoxStringBeforeNumber.AutoCompleteSource = System.Windows.Forms.AutoCompleteSource.CustomSource;
+			this.textBoxStringBeforeNumber.Location = new System.Drawing.Point(12, 25);
+			this.textBoxStringBeforeNumber.Name = "textBoxStringBeforeNumber";
+			this.textBoxStringBeforeNumber.Size = new System.Drawing.Size(339, 20);
+			this.textBoxStringBeforeNumber.TabIndex = 1;
+			this.textBoxStringBeforeNumber.Text = "http://www.domain.com/files/picture";
+			this.toolTip.SetToolTip(this.textBoxStringBeforeNumber, "Eingabe des Textes vor der Zahlenangabe");
+			// 
+			// textBoxStringAfterNumber
+			// 
+			this.textBoxStringAfterNumber.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend;
+			this.textBoxStringAfterNumber.AutoCompleteSource = System.Windows.Forms.AutoCompleteSource.CustomSource;
+			this.textBoxStringAfterNumber.Location = new System.Drawing.Point(12, 109);
+			this.textBoxStringAfterNumber.Name = "textBoxStringAfterNumber";
+			this.textBoxStringAfterNumber.Size = new System.Drawing.Size(339, 20);
+			this.textBoxStringAfterNumber.TabIndex = 8;
+			this.textBoxStringAfterNumber.Text = ".jpg";
+			this.toolTip.SetToolTip(this.textBoxStringAfterNumber, "Eingabe des Textes nach der Zahlenangabe");
+			// 
+			// NumericListGeneratorForm
+			// 
+			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.Controls.Add(this.comboBoxLanguage);
+			this.ClientSize = new System.Drawing.Size(363, 489);
+			this.Controls.Add(this.textBoxStringAfterNumber);
+			this.Controls.Add(this.textBoxStringBeforeNumber);
+			this.Controls.Add(this.statusStrip);
+			this.Controls.Add(this.buttonUndo);
 			this.Controls.Add(this.labelResult);
-			this.Controls.Add(this.comboBoxStringBeforeNumber);
-			this.Controls.Add(this.comboBoxStringAfterNumber);
-			this.Controls.Add(this.buttonCreateList);
+			this.Controls.Add(this.buttonCreateListe);
 			this.Controls.Add(this.buttonInformationAboutApp);
 			this.Controls.Add(this.buttonExitApp);
-			this.Controls.Add(this.progressBarProcress);
+			this.Controls.Add(this.progressBar);
 			this.Controls.Add(this.labelProcress);
 			this.Controls.Add(this.textBoxList);
 			this.Controls.Add(this.buttonDeleteList);
@@ -257,11 +392,16 @@ private void InitializeComponent()
 			this.Controls.Add(this.labelStringAfterNumber);
 			this.Controls.Add(this.labelStringBeforeNumber);
 			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
+			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
 			this.MaximizeBox = false;
-			this.Name = "NumericListGenerator";
+			this.Name = "NumericListGeneratorForm";
+			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
+			this.Text = "Numeric List Generator";
 			this.Load += new System.EventHandler(this.NumericListGeneratorForm_Load);
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownNumberMinimum)).EndInit();
 			((System.ComponentModel.ISupportInitialize)(this.numericUpDownNumberMaximum)).EndInit();
+			this.statusStrip.ResumeLayout(false);
+			this.statusStrip.PerformLayout();
 			this.ResumeLayout(false);
 			this.PerformLayout();
 
@@ -282,16 +422,19 @@ private void InitializeComponent()
     private System.Windows.Forms.Button buttonDeleteList;
     private System.Windows.Forms.TextBox textBoxList;
     private System.Windows.Forms.Label labelProcress;
-    private System.Windows.Forms.ProgressBar progressBarProcress;
+    private System.Windows.Forms.ProgressBar progressBar;
     private System.Windows.Forms.Button buttonExitApp;
     private System.Windows.Forms.Button buttonInformationAboutApp;
-		private System.Windows.Forms.Button buttonCreateList;
-		private System.Windows.Forms.ComboBox comboBoxStringAfterNumber;
-		private System.Windows.Forms.ComboBox comboBoxStringBeforeNumber;
+		private System.Windows.Forms.Button buttonCreateListe;
 		private System.Windows.Forms.ToolTip toolTip;
 		private System.Windows.Forms.Label labelResult;
-		private System.Windows.Forms.ComboBox comboBoxLanguage;
-		private System.ComponentModel.BackgroundWorker backgroundWorker;
+		private System.Windows.Forms.Button buttonUndo;
+		private System.Windows.Forms.StatusStrip statusStrip;
+		private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabelSize;
+		private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabelLines;
+		private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabelLim;
+		private System.Windows.Forms.TextBox textBoxStringBeforeNumber;
+		private System.Windows.Forms.TextBox textBoxStringAfterNumber;
 	}
 }
 
diff --git a/Numeric List Generator/NumericListGeneratorForm.cs b/Numeric List Generator/NumericListGeneratorForm.cs
index d1162f05..831d18d6 100644
--- a/Numeric List Generator/NumericListGeneratorForm.cs	
+++ b/Numeric List Generator/NumericListGeneratorForm.cs	
@@ -1,64 +1,76 @@
 using System;
-using System.ComponentModel;
-using System.Globalization;
 using System.IO;
-using System.Threading;
 using System.Windows.Forms;
 
 namespace NumericListGenerator
 {
-	/// <summary>
-	/// NumericListGeneratorForm
-	/// </summary>
-	public partial class NumericListGeneratorForm : Form
-	{
-		/// <summary>
-		/// culture info for the date
-		/// </summary>
-		private static readonly CultureInfo culture = CultureInfo.CurrentUICulture;
+  public partial class NumericListGeneratorForm : Form
+  {
+    private TimeSpan timeSpan;
+    private String backupList;
 
-		/// <summary>
-		/// Constructor
-		/// </summary>
-		public NumericListGeneratorForm() => InitializeComponent();
+		private void UpdateStatusBar()
+    {
+      toolStripStatusLabelSize.Text = $"Größe: {textBoxList.Text.Length} Bytes";
+      toolStripStatusLabelLines.Text = $"Linien: {textBoxList.Lines.LongLength}";
+      toolStripStatusLabelLim.Text = $"LIM: {(int)numericUpDownNumberMaximum.Value / timeSpan.TotalSeconds:N4} ips";
+    }
 
-		/// <summary>
-		/// Load the form
-		/// </summary>
-		/// <param name="sender"></param>
-		/// <param name="e"></param>
-		private void NumericListGeneratorForm_Load(object sender, EventArgs e)
-		{
-			comboBoxLanguage.Items.Add(new CultureInfo(name: "de"));
-			comboBoxLanguage.Items.Add(new CultureInfo(name: "en"));
-			comboBoxLanguage.Items.Add(new CultureInfo(name: "es"));
-			comboBoxLanguage.Items.Add(new CultureInfo(name: "fr"));
-			comboBoxLanguage.Items.Add(new CultureInfo(name: "it"));
-			comboBoxLanguage.SelectedIndex = 0;
-		}
+    public NumericListGeneratorForm()
+    {
+      InitializeComponent();
+    }
 
-		private void ButtonAddToList_Click(object sender, EventArgs e)
-		{
-			progressBarProcress.Minimum = 0;
-			progressBarProcress.Maximum = (int)numericUpDownNumberMaximum.Value;
-			progressBarProcress.Value = 0;
-			progressBarProcress.Step = 1;
-			backgroundWorker.RunWorkerAsync();
-		}
+    private void NumericListGeneratorForm_Load(object sender, EventArgs e)
+    {
+      buttonUndo.Enabled = false;
+      UpdateStatusBar();
+    }
 
-		private void ButtonCopyList_Click(object sender, EventArgs e)
-		{
-			textBoxList.SelectAll();
-			textBoxList.Copy();
-			MessageBox.Show(text: L10N.strCopiedToClipboard, caption: L10N.strCaptionInformation);
-		}
+    private void ButtonAddToList_Click(object sender, EventArgs e)
+    {
+      buttonUndo.Enabled = true;
+      backupList = textBoxList.Text;
+      DateTime startTime = DateTime.Now, endTime;
+      progressBar.Minimum = 0;
+      progressBar.Maximum = (int)numericUpDownNumberMaximum.Value;
+			progressBar.Value = 0;
+			progressBar.Step = 1;
+      for (int i = (int)numericUpDownNumberMinimum.Value; i < (int)numericUpDownNumberMaximum.Value + 1; i++)
+      {
+        // Alternativen: progressBar.Increment(1); oder progressBar.Value = i;
+        progressBar.PerformStep();
+        if (textBoxList.Text.Length > 0)
+        {
+          textBoxList.AppendText(text: Environment.NewLine);
+        }
+        if (checkBoxFillWithZeros.Checked)
+        {
+          textBoxList.AppendText(text: $"{textBoxStringBeforeNumber.Text}{i.ToString().PadLeft(totalWidth: ((int)numericUpDownNumberMaximum.Value).ToString().Length, paddingChar: '0')}{textBoxStringAfterNumber.Text}");
+        }
+        else
+        {
+          textBoxList.AppendText(text: $"{textBoxStringBeforeNumber.Text}{i}{textBoxStringAfterNumber.Text}");
+        }
+        endTime = DateTime.Now;
+        timeSpan = endTime - startTime;
+        UpdateStatusBar();
+      }
+    }
 
-		private void ButtonSaveList_Click(object sender, EventArgs e)
+    private void ButtonCopyList_Click(object sender, EventArgs e)
+    {
+      textBoxList.SelectAll();
+      textBoxList.Copy();
+			MessageBox.Show(text: "Die Liste wurde in die Zwischenablage kopiert.");
+    }
+
+    private void ButtonSaveList_Click(object sender, EventArgs e)
 		{
-			using (SaveFileDialog save = new SaveFileDialog()
+			using (SaveFileDialog save = new SaveFileDialog
 			{
-				FileName = L10N.strDefaultFilename,
-				Filter = L10N.strDefaultFileFilter
+				FileName = "liste.txt",
+				Filter = "Textdatei | *.txt"
 			})
 			{
 				if (save.ShowDialog() == DialogResult.OK)
@@ -71,15 +83,20 @@ private void ButtonSaveList_Click(object sender, EventArgs e)
 					finally
 					{
 						writer.Close();
-						MessageBox.Show(text: L10N.strSavedToFile, caption: L10N.strCaptionInformation);
+						MessageBox.Show(text: "Die Liste wurde in die Textdatei kopiert.");
 					}
 				}
 			}
 		}
 
-		private void ButtonDeleteList_Click(object sender, EventArgs e) => textBoxList.Clear();
+		private void ButtonDeleteList_Click(object sender, EventArgs e)
+    {
+      textBoxList.Clear();
+      timeSpan = TimeSpan.Zero;
+      UpdateStatusBar();
+    }
 
-		private void ButtonInformationAboutApp_Click(object sender, EventArgs e)
+    private void ButtonInformationAboutApp_Click(object sender, EventArgs e)
 		{
 			using (AboutBoxForm formAboutBox = new AboutBoxForm())
 			{
@@ -95,81 +112,11 @@ private void ButtonCreateListe_Click(object sender, EventArgs e)
 			ButtonAddToList_Click(sender: sender, e: e);
 		}
 
-		private static void ApplyResourceToControl(ComponentResourceManager res, Control control)
-		{
-			foreach (Control c in control.Controls)
-			{
-				ApplyResourceToControl(res: res, control: c);
-			}
-
-			string text = res.GetString(name: $"{control.Name}.Text", culture: culture);
-			control.Text = text ?? control.Text;
-		}
-
-		private void ComboBoxLanguage_SelectedIndexChanged(object sender, EventArgs e)
-		{
-			if (comboBoxLanguage.SelectedIndex == -1)
-			{
-				return;
-			}
-			Thread.CurrentThread.CurrentUICulture = (CultureInfo)comboBoxLanguage.SelectedItem;
-			ComponentResourceManager resources = new ComponentResourceManager(t: GetType());
-			ApplyResourceToControl(res: resources, control: this);
-		}
-
-		private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
-		{
-			for (int i = (int)numericUpDownNumberMinimum.Value; i < (int)numericUpDownNumberMaximum.Value + 1; i++)
-			{
-				string strTemp = string.Empty;
-				// Alternativen: progressBarProcress.Increment(1); oder progressBarProcress.Value = i;
-				if (checkBoxFillWithZeros.Checked)
-				{
-					if (i < 1000000000 && numericUpDownNumberMaximum.Value > 999999999)
-					{
-						strTemp += "0";
-					}
-					if (i < 100000000 && numericUpDownNumberMaximum.Value > 99999999)
-					{
-						strTemp += "0";
-					}
-					if (i < 10000000 && numericUpDownNumberMaximum.Value > 9999999)
-					{
-						strTemp += "0";
-					}
-					if (i < 1000000 && numericUpDownNumberMaximum.Value > 999999)
-					{
-						strTemp += "0";
-					}
-					if (i < 100000 && numericUpDownNumberMaximum.Value > 99999)
-					{
-						strTemp += "0";
-					}
-					if (i < 10000 && numericUpDownNumberMaximum.Value > 9999)
-					{
-						strTemp += "0";
-					}
-					if (i < 1000 && numericUpDownNumberMaximum.Value > 999)
-					{
-						strTemp += "0";
-					}
-					if (i < 100 && numericUpDownNumberMaximum.Value > 99)
-					{
-						strTemp += "0";
-					}
-					if (i < 10 && numericUpDownNumberMaximum.Value > 9)
-					{
-						strTemp += "0";
-					}
-				}
-				backgroundWorker.ReportProgress(percentProgress: 0, userState: $"{comboBoxStringBeforeNumber.Text}{strTemp}{i.ToString(provider: culture)}{comboBoxStringAfterNumber.Text}{Environment.NewLine}");
-			}
-		}
-
-		private void BackgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
+		private void ButtonUndo_Click(object sender, EventArgs e)
 		{
-			progressBarProcress.PerformStep();
-			textBoxList.Text += e.UserState.ToString();
-		}
-	}
-}
+      textBoxList.Text = backupList;
+      buttonUndo.Enabled = false;
+      UpdateStatusBar();
+    }
+  }
+}
\ No newline at end of file
diff --git a/Numeric List Generator/NumericListGeneratorForm.resx b/Numeric List Generator/NumericListGeneratorForm.resx
index 0686a26a..3a839643 100644
--- a/Numeric List Generator/NumericListGeneratorForm.resx	
+++ b/Numeric List Generator/NumericListGeneratorForm.resx	
@@ -117,645 +117,16 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <assembly alias="mscorlib" name="mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="labelStringBeforeNumber.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
-  <data name="labelStringBeforeNumber.Location" type="System.Drawing.Point, System.Drawing">
-    <value>9, 9</value>
-  </data>
-  <data name="labelStringBeforeNumber.Size" type="System.Drawing.Size, System.Drawing">
-    <value>133, 13</value>
-  </data>
-  <data name="labelStringBeforeNumber.TabIndex" type="System.Int32, mscorlib">
-    <value>0</value>
-  </data>
-  <data name="labelStringBeforeNumber.Text" xml:space="preserve">
-    <value>Zeichenkette &amp;vor der Zahl:</value>
-  </data>
-  <data name="&gt;&gt;labelStringBeforeNumber.Name" xml:space="preserve">
-    <value>labelStringBeforeNumber</value>
-  </data>
-  <data name="&gt;&gt;labelStringBeforeNumber.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelStringBeforeNumber.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;labelStringBeforeNumber.ZOrder" xml:space="preserve">
-    <value>20</value>
-  </data>
-  <data name="labelStringAfterNumber.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="labelStringAfterNumber.Location" type="System.Drawing.Point, System.Drawing">
-    <value>9, 93</value>
-  </data>
-  <data name="labelStringAfterNumber.Size" type="System.Drawing.Size, System.Drawing">
-    <value>142, 13</value>
-  </data>
-  <data name="labelStringAfterNumber.TabIndex" type="System.Int32, mscorlib">
-    <value>7</value>
-  </data>
-  <data name="labelStringAfterNumber.Text" xml:space="preserve">
-    <value>Zeichenkette &amp;nach der Zahl:</value>
-  </data>
-  <data name="&gt;&gt;labelStringAfterNumber.Name" xml:space="preserve">
-    <value>labelStringAfterNumber</value>
-  </data>
-  <data name="&gt;&gt;labelStringAfterNumber.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelStringAfterNumber.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;labelStringAfterNumber.ZOrder" xml:space="preserve">
-    <value>19</value>
-  </data>
-  <data name="labelNumberMin.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="labelNumberMin.Location" type="System.Drawing.Point, System.Drawing">
-    <value>9, 60</value>
-  </data>
-  <data name="labelNumberMin.Size" type="System.Drawing.Size, System.Drawing">
-    <value>61, 13</value>
-  </data>
-  <data name="labelNumberMin.TabIndex" type="System.Int32, mscorlib">
-    <value>2</value>
-  </data>
-  <data name="labelNumberMin.Text" xml:space="preserve">
-    <value>&amp;Zahlen von</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMin.Name" xml:space="preserve">
-    <value>labelNumberMin</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMin.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMin.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMin.ZOrder" xml:space="preserve">
-    <value>18</value>
-  </data>
-  <data name="numericUpDownNumberMinimum.Location" type="System.Drawing.Point, System.Drawing">
-    <value>76, 58</value>
-  </data>
-  <data name="numericUpDownNumberMinimum.Size" type="System.Drawing.Size, System.Drawing">
-    <value>49, 20</value>
-  </data>
-  <data name="numericUpDownNumberMinimum.TabIndex" type="System.Int32, mscorlib">
-    <value>3</value>
-  </data>
   <metadata name="toolTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>5, 8</value>
   </metadata>
-  <data name="numericUpDownNumberMinimum.ToolTip" xml:space="preserve">
-    <value>Minimun der Zahl, mit der die Einträge erstellt werden sollen</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMinimum.Name" xml:space="preserve">
-    <value>numericUpDownNumberMinimum</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMinimum.Type" xml:space="preserve">
-    <value>System.Windows.Forms.NumericUpDown, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMinimum.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMinimum.ZOrder" xml:space="preserve">
-    <value>17</value>
-  </data>
-  <data name="labelNumberMax.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="labelNumberMax.Location" type="System.Drawing.Point, System.Drawing">
-    <value>131, 60</value>
-  </data>
-  <data name="labelNumberMax.Size" type="System.Drawing.Size, System.Drawing">
-    <value>20, 13</value>
-  </data>
-  <data name="labelNumberMax.TabIndex" type="System.Int32, mscorlib">
-    <value>4</value>
-  </data>
-  <data name="labelNumberMax.Text" xml:space="preserve">
-    <value>&amp;bis</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMax.Name" xml:space="preserve">
-    <value>labelNumberMax</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMax.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMax.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;labelNumberMax.ZOrder" xml:space="preserve">
-    <value>16</value>
-  </data>
-  <data name="numericUpDownNumberMaximum.Location" type="System.Drawing.Point, System.Drawing">
-    <value>157, 58</value>
-  </data>
-  <data name="numericUpDownNumberMaximum.Size" type="System.Drawing.Size, System.Drawing">
-    <value>49, 20</value>
-  </data>
-  <data name="numericUpDownNumberMaximum.TabIndex" type="System.Int32, mscorlib">
-    <value>5</value>
-  </data>
-  <data name="numericUpDownNumberMaximum.ToolTip" xml:space="preserve">
-    <value>Maximun der Zahl, mit der die Einträge erstellt werden sollen</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMaximum.Name" xml:space="preserve">
-    <value>numericUpDownNumberMaximum</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMaximum.Type" xml:space="preserve">
-    <value>System.Windows.Forms.NumericUpDown, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMaximum.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;numericUpDownNumberMaximum.ZOrder" xml:space="preserve">
-    <value>15</value>
-  </data>
-  <data name="checkBoxFillWithZeros.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="checkBoxFillWithZeros.Location" type="System.Drawing.Point, System.Drawing">
-    <value>219, 60</value>
-  </data>
-  <data name="checkBoxFillWithZeros.Size" type="System.Drawing.Size, System.Drawing">
-    <value>115, 17</value>
-  </data>
-  <data name="checkBoxFillWithZeros.TabIndex" type="System.Int32, mscorlib">
-    <value>6</value>
-  </data>
-  <data name="checkBoxFillWithZeros.Text" xml:space="preserve">
-    <value>&amp;mit Nullen auffüllen</value>
-  </data>
-  <data name="checkBoxFillWithZeros.ToolTip" xml:space="preserve">
-    <value>Markieren, wenn die Einträge mit voranführenden Nullen aufgefüllt werden sollen</value>
-  </data>
-  <data name="&gt;&gt;checkBoxFillWithZeros.Name" xml:space="preserve">
-    <value>checkBoxFillWithZeros</value>
-  </data>
-  <data name="&gt;&gt;checkBoxFillWithZeros.Type" xml:space="preserve">
-    <value>System.Windows.Forms.CheckBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;checkBoxFillWithZeros.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;checkBoxFillWithZeros.ZOrder" xml:space="preserve">
-    <value>14</value>
-  </data>
-  <data name="textBoxList.Location" type="System.Drawing.Point, System.Drawing">
-    <value>12, 262</value>
-  </data>
-  <data name="textBoxList.MaxLength" type="System.Int32, mscorlib">
-    <value>2147483647</value>
-  </data>
-  <data name="textBoxList.Multiline" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="textBoxList.ScrollBars" type="System.Windows.Forms.ScrollBars, System.Windows.Forms">
-    <value>Both</value>
-  </data>
-  <data name="textBoxList.Size" type="System.Drawing.Size, System.Drawing">
-    <value>322, 167</value>
-  </data>
-  <data name="textBoxList.TabIndex" type="System.Int32, mscorlib">
-    <value>17</value>
-  </data>
-  <data name="textBoxList.ToolTip" xml:space="preserve">
-    <value>Zeigt die Liste mit den generierten Einträgen an</value>
-  </data>
-  <data name="textBoxList.WordWrap" type="System.Boolean, mscorlib">
-    <value>False</value>
-  </data>
-  <data name="&gt;&gt;textBoxList.Name" xml:space="preserve">
-    <value>textBoxList</value>
-  </data>
-  <data name="&gt;&gt;textBoxList.Type" xml:space="preserve">
-    <value>System.Windows.Forms.TextBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;textBoxList.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;textBoxList.ZOrder" xml:space="preserve">
-    <value>9</value>
-  </data>
-  <data name="labelProcress.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="labelProcress.Location" type="System.Drawing.Point, System.Drawing">
-    <value>9, 219</value>
-  </data>
-  <data name="labelProcress.Size" type="System.Drawing.Size, System.Drawing">
-    <value>70, 13</value>
-  </data>
-  <data name="labelProcress.TabIndex" type="System.Int32, mscorlib">
-    <value>14</value>
-  </data>
-  <data name="labelProcress.Text" xml:space="preserve">
-    <value>Verarbeitung:</value>
-  </data>
-  <data name="&gt;&gt;labelProcress.Name" xml:space="preserve">
-    <value>labelProcress</value>
-  </data>
-  <data name="&gt;&gt;labelProcress.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelProcress.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;labelProcress.ZOrder" xml:space="preserve">
-    <value>8</value>
-  </data>
-  <data name="progressBarProcress.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
-    <value>NoControl</value>
-  </data>
-  <data name="progressBarProcress.Location" type="System.Drawing.Point, System.Drawing">
-    <value>85, 219</value>
-  </data>
-  <data name="progressBarProcress.Size" type="System.Drawing.Size, System.Drawing">
-    <value>249, 17</value>
-  </data>
-  <data name="progressBarProcress.TabIndex" type="System.Int32, mscorlib">
-    <value>15</value>
-  </data>
-  <data name="progressBarProcress.ToolTip" xml:space="preserve">
-    <value>Zeigt den laufenden Verarbeitungsstatus an</value>
-  </data>
-  <data name="&gt;&gt;progressBarProcress.Name" xml:space="preserve">
-    <value>progressBarProcress</value>
-  </data>
-  <data name="&gt;&gt;progressBarProcress.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ProgressBar, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;progressBarProcress.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;progressBarProcress.ZOrder" xml:space="preserve">
-    <value>7</value>
-  </data>
-  <data name="buttonCreateList.Location" type="System.Drawing.Point, System.Drawing">
-    <value>12, 146</value>
-  </data>
-  <data name="buttonCreateList.Size" type="System.Drawing.Size, System.Drawing">
-    <value>212, 26</value>
-  </data>
-  <data name="buttonCreateList.TabIndex" type="System.Int32, mscorlib">
-    <value>9</value>
-  </data>
-  <data name="buttonCreateList.Text" xml:space="preserve">
-    <value>Liste neu &amp;erstellen</value>
-  </data>
-  <data name="buttonCreateList.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonCreateList.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonCreateList.ToolTip" xml:space="preserve">
-    <value>Erstellt eine neue Liste</value>
-  </data>
-  <data name="&gt;&gt;buttonCreateList.Name" xml:space="preserve">
-    <value>buttonCreateList</value>
-  </data>
-  <data name="&gt;&gt;buttonCreateList.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonCreateList.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonCreateList.ZOrder" xml:space="preserve">
-    <value>4</value>
-  </data>
-  <data name="buttonInformationAboutApp.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
-    <value>NoControl</value>
-  </data>
-  <data name="buttonInformationAboutApp.Location" type="System.Drawing.Point, System.Drawing">
-    <value>12, 435</value>
-  </data>
-  <data name="buttonInformationAboutApp.Size" type="System.Drawing.Size, System.Drawing">
-    <value>58, 26</value>
-  </data>
-  <data name="buttonInformationAboutApp.TabIndex" type="System.Int32, mscorlib">
-    <value>18</value>
-  </data>
-  <data name="buttonInformationAboutApp.Text" xml:space="preserve">
-    <value>&amp;Info</value>
-  </data>
-  <data name="buttonInformationAboutApp.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonInformationAboutApp.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonInformationAboutApp.ToolTip" xml:space="preserve">
-    <value>Öffnet ein neues Fenste rmit ein paar Programminformationen</value>
-  </data>
-  <data name="&gt;&gt;buttonInformationAboutApp.Name" xml:space="preserve">
-    <value>buttonInformationAboutApp</value>
-  </data>
-  <data name="&gt;&gt;buttonInformationAboutApp.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonInformationAboutApp.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonInformationAboutApp.ZOrder" xml:space="preserve">
-    <value>5</value>
-  </data>
-  <data name="buttonExitApp.ImeMode" type="System.Windows.Forms.ImeMode, System.Windows.Forms">
-    <value>NoControl</value>
-  </data>
-  <data name="buttonExitApp.Location" type="System.Drawing.Point, System.Drawing">
-    <value>204, 435</value>
-  </data>
-  <data name="buttonExitApp.Size" type="System.Drawing.Size, System.Drawing">
-    <value>130, 26</value>
-  </data>
-  <data name="buttonExitApp.TabIndex" type="System.Int32, mscorlib">
-    <value>19</value>
-  </data>
-  <data name="buttonExitApp.Text" xml:space="preserve">
-    <value>&amp;Programm beenden</value>
-  </data>
-  <data name="buttonExitApp.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonExitApp.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonExitApp.ToolTip" xml:space="preserve">
-    <value>Beendet das Programm</value>
-  </data>
-  <data name="&gt;&gt;buttonExitApp.Name" xml:space="preserve">
-    <value>buttonExitApp</value>
-  </data>
-  <data name="&gt;&gt;buttonExitApp.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonExitApp.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonExitApp.ZOrder" xml:space="preserve">
-    <value>6</value>
-  </data>
-  <data name="buttonDeleteList.Location" type="System.Drawing.Point, System.Drawing">
-    <value>230, 178</value>
-  </data>
-  <data name="buttonDeleteList.Size" type="System.Drawing.Size, System.Drawing">
-    <value>104, 26</value>
-  </data>
-  <data name="buttonDeleteList.TabIndex" type="System.Int32, mscorlib">
-    <value>13</value>
-  </data>
-  <data name="buttonDeleteList.Text" xml:space="preserve">
-    <value>Liste &amp;löschen</value>
-  </data>
-  <data name="buttonDeleteList.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonDeleteList.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonDeleteList.ToolTip" xml:space="preserve">
-    <value>Löscht die Liste</value>
-  </data>
-  <data name="&gt;&gt;buttonDeleteList.Name" xml:space="preserve">
-    <value>buttonDeleteList</value>
-  </data>
-  <data name="&gt;&gt;buttonDeleteList.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonDeleteList.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonDeleteList.ZOrder" xml:space="preserve">
-    <value>10</value>
-  </data>
-  <data name="buttonSaveList.Location" type="System.Drawing.Point, System.Drawing">
-    <value>230, 146</value>
-  </data>
-  <data name="buttonSaveList.Size" type="System.Drawing.Size, System.Drawing">
-    <value>104, 26</value>
-  </data>
-  <data name="buttonSaveList.TabIndex" type="System.Int32, mscorlib">
-    <value>10</value>
-  </data>
-  <data name="buttonSaveList.Text" xml:space="preserve">
-    <value>Liste &amp;speichern</value>
-  </data>
-  <data name="buttonSaveList.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonSaveList.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonSaveList.ToolTip" xml:space="preserve">
-    <value>Speichert die Liste als Textdatei ab</value>
-  </data>
-  <data name="&gt;&gt;buttonSaveList.Name" xml:space="preserve">
-    <value>buttonSaveList</value>
-  </data>
-  <data name="&gt;&gt;buttonSaveList.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonSaveList.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonSaveList.ZOrder" xml:space="preserve">
-    <value>11</value>
-  </data>
-  <data name="buttonCopyList.Location" type="System.Drawing.Point, System.Drawing">
-    <value>120, 178</value>
-  </data>
-  <data name="buttonCopyList.Size" type="System.Drawing.Size, System.Drawing">
-    <value>104, 26</value>
-  </data>
-  <data name="buttonCopyList.TabIndex" type="System.Int32, mscorlib">
-    <value>12</value>
-  </data>
-  <data name="buttonCopyList.Text" xml:space="preserve">
-    <value>Liste &amp;kopieren</value>
-  </data>
-  <data name="buttonCopyList.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonCopyList.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonCopyList.ToolTip" xml:space="preserve">
-    <value>Kopiert die Liste in die Zwischenanlage</value>
-  </data>
-  <data name="&gt;&gt;buttonCopyList.Name" xml:space="preserve">
-    <value>buttonCopyList</value>
-  </data>
-  <data name="&gt;&gt;buttonCopyList.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonCopyList.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonCopyList.ZOrder" xml:space="preserve">
-    <value>12</value>
-  </data>
-  <data name="buttonAddToList.Location" type="System.Drawing.Point, System.Drawing">
-    <value>12, 178</value>
-  </data>
-  <data name="buttonAddToList.Size" type="System.Drawing.Size, System.Drawing">
-    <value>102, 26</value>
-  </data>
-  <data name="buttonAddToList.TabIndex" type="System.Int32, mscorlib">
-    <value>11</value>
-  </data>
-  <data name="buttonAddToList.Text" xml:space="preserve">
-    <value>Liste &amp;anfügen</value>
-  </data>
-  <data name="buttonAddToList.TextAlign" type="System.Drawing.ContentAlignment, System.Drawing">
-    <value>MiddleRight</value>
-  </data>
-  <data name="buttonAddToList.TextImageRelation" type="System.Windows.Forms.TextImageRelation, System.Windows.Forms">
-    <value>ImageBeforeText</value>
-  </data>
-  <data name="buttonAddToList.ToolTip" xml:space="preserve">
-    <value>Fügt die Einträge an der vorhandenen Liste an</value>
-  </data>
-  <data name="&gt;&gt;buttonAddToList.Name" xml:space="preserve">
-    <value>buttonAddToList</value>
-  </data>
-  <data name="&gt;&gt;buttonAddToList.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Button, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;buttonAddToList.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;buttonAddToList.ZOrder" xml:space="preserve">
-    <value>13</value>
-  </data>
-  <data name="comboBoxStringAfterNumber.Location" type="System.Drawing.Point, System.Drawing">
-    <value>12, 108</value>
-  </data>
-  <data name="comboBoxStringAfterNumber.Size" type="System.Drawing.Size, System.Drawing">
-    <value>322, 21</value>
-  </data>
-  <data name="comboBoxStringAfterNumber.TabIndex" type="System.Int32, mscorlib">
-    <value>8</value>
-  </data>
-  <data name="comboBoxStringAfterNumber.Text" xml:space="preserve">
-    <value>.jpg</value>
-  </data>
-  <data name="comboBoxStringAfterNumber.ToolTip" xml:space="preserve">
-    <value>Eingabe des Textes nach der Zahlenangabe</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringAfterNumber.Name" xml:space="preserve">
-    <value>comboBoxStringAfterNumber</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringAfterNumber.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ComboBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringAfterNumber.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringAfterNumber.ZOrder" xml:space="preserve">
-    <value>3</value>
-  </data>
-  <data name="comboBoxStringBeforeNumber.Location" type="System.Drawing.Point, System.Drawing">
-    <value>12, 25</value>
-  </data>
-  <data name="comboBoxStringBeforeNumber.Size" type="System.Drawing.Size, System.Drawing">
-    <value>322, 21</value>
-  </data>
-  <data name="comboBoxStringBeforeNumber.TabIndex" type="System.Int32, mscorlib">
-    <value>1</value>
-  </data>
-  <data name="comboBoxStringBeforeNumber.Text" xml:space="preserve">
-    <value>http://www.domain.com/files/picture</value>
-  </data>
-  <data name="comboBoxStringBeforeNumber.ToolTip" xml:space="preserve">
-    <value>Eingabe des Textes vor der Zahlenangabe</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringBeforeNumber.Name" xml:space="preserve">
-    <value>comboBoxStringBeforeNumber</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringBeforeNumber.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ComboBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringBeforeNumber.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;comboBoxStringBeforeNumber.ZOrder" xml:space="preserve">
-    <value>2</value>
-  </data>
-  <data name="comboBoxLanguage.Location" type="System.Drawing.Point, System.Drawing">
-    <value>76, 439</value>
-  </data>
-  <data name="comboBoxLanguage.Size" type="System.Drawing.Size, System.Drawing">
-    <value>122, 21</value>
-  </data>
-  <data name="comboBoxLanguage.TabIndex" type="System.Int32, mscorlib">
-    <value>20</value>
-  </data>
-  <data name="comboBoxLanguage.ToolTip" xml:space="preserve">
-    <value>Sprache für die Programmoberfläche auswählen</value>
-  </data>
-  <data name="&gt;&gt;comboBoxLanguage.Name" xml:space="preserve">
-    <value>comboBoxLanguage</value>
-  </data>
-  <data name="&gt;&gt;comboBoxLanguage.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ComboBox, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;comboBoxLanguage.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;comboBoxLanguage.ZOrder" xml:space="preserve">
-    <value>0</value>
-  </data>
-  <data name="labelResult.AutoSize" type="System.Boolean, mscorlib">
-    <value>True</value>
-  </data>
-  <data name="labelResult.Location" type="System.Drawing.Point, System.Drawing">
-    <value>9, 246</value>
-  </data>
-  <data name="labelResult.Size" type="System.Drawing.Size, System.Drawing">
-    <value>51, 13</value>
-  </data>
-  <data name="labelResult.TabIndex" type="System.Int32, mscorlib">
-    <value>16</value>
-  </data>
-  <data name="labelResult.Text" xml:space="preserve">
-    <value>E&amp;rgebnis:</value>
-  </data>
-  <data name="&gt;&gt;labelResult.Name" xml:space="preserve">
-    <value>labelResult</value>
-  </data>
-  <data name="&gt;&gt;labelResult.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Label, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;labelResult.Parent" xml:space="preserve">
-    <value>$this</value>
-  </data>
-  <data name="&gt;&gt;labelResult.ZOrder" xml:space="preserve">
-    <value>1</value>
-  </data>
-  <metadata name="backgroundWorker.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+  <metadata name="statusStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>95, 8</value>
   </metadata>
-  <metadata name="$this.Localizable" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>True</value>
-  </metadata>
   <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>48</value>
+    <value>44</value>
   </metadata>
-  <data name="$this.AutoScaleDimensions" type="System.Drawing.SizeF, System.Drawing">
-    <value>6, 13</value>
-  </data>
-  <data name="$this.ClientSize" type="System.Drawing.Size, System.Drawing">
-    <value>346, 472</value>
-  </data>
+  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         AAABAAIAEBAAAAEAIABoBAAAJgAAACAgAAABACAAqBAAAI4EAAAoAAAAEAAAACAAAAABACAAAAAAAAAA
@@ -851,28 +222,4 @@
         AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
 </value>
   </data>
-  <data name="$this.StartPosition" type="System.Windows.Forms.FormStartPosition, System.Windows.Forms">
-    <value>CenterScreen</value>
-  </data>
-  <data name="$this.Text" xml:space="preserve">
-    <value>Numeric List Generator</value>
-  </data>
-  <data name="&gt;&gt;toolTip.Name" xml:space="preserve">
-    <value>toolTip</value>
-  </data>
-  <data name="&gt;&gt;toolTip.Type" xml:space="preserve">
-    <value>System.Windows.Forms.ToolTip, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;backgroundWorker.Name" xml:space="preserve">
-    <value>backgroundWorker</value>
-  </data>
-  <data name="&gt;&gt;backgroundWorker.Type" xml:space="preserve">
-    <value>System.ComponentModel.BackgroundWorker, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
-  <data name="&gt;&gt;$this.Name" xml:space="preserve">
-    <value>NumericListGenerator</value>
-  </data>
-  <data name="&gt;&gt;$this.Type" xml:space="preserve">
-    <value>System.Windows.Forms.Form, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
 </root>
\ No newline at end of file
diff --git a/Numeric List Generator/Program.cs b/Numeric List Generator/Program.cs
index 9ba580dc..fbce4990 100644
--- a/Numeric List Generator/Program.cs	
+++ b/Numeric List Generator/Program.cs	
@@ -3,23 +3,17 @@
 
 namespace NumericListGenerator
 {
-	/// <summary>
-	/// Program
-	/// </summary>
-	internal static class Program
-	{
-		/// <summary>
-		/// main entrance point of the application
-		/// </summary>
-		[STAThread]
-		private static void Main()
-		{
-			Application.EnableVisualStyles();
-			Application.SetCompatibleTextRenderingDefault(defaultValue: false);
-			using (NumericListGeneratorForm numericListGenerator = new NumericListGeneratorForm())
-			{
-				Application.Run(mainForm: numericListGenerator);
-			}
-		}
-	}
+	static class Program
+  {
+    /// <summary>
+    /// Der Haupteinstiegspunkt für die Anwendung.
+    /// </summary>
+    [STAThread]
+    static void Main()
+    {
+      Application.EnableVisualStyles();
+      Application.SetCompatibleTextRenderingDefault(defaultValue: false);
+      Application.Run(mainForm: new NumericListGeneratorForm());
+    }
+  }
 }
diff --git a/Numeric List Generator/Properties/AssemblyInfo.cs b/Numeric List Generator/Properties/AssemblyInfo.cs
index 1b3613b4..7bc150aa 100644
--- a/Numeric List Generator/Properties/AssemblyInfo.cs	
+++ b/Numeric List Generator/Properties/AssemblyInfo.cs	
@@ -1,16 +1,17 @@
-using System.Reflection;
-using System.Resources;
+using System.Resources;
+using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // Allgemeine Informationen über eine Assembly werden über die folgenden 
 // Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
 // die mit einer Assembly verknüpft sind.
 [assembly: AssemblyTitle("Numeric List Generator (NLG)")]
-[assembly: AssemblyDescription("Erstellt Listen mit numerischen Einträgen (z. B. URLs)")]
+[assembly: AssemblyDescription("Erstellt Listen mit numerischen Einträgen (z. B. URLs oder Bildergalerien)")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("Mijo Software")]
 [assembly: AssemblyProduct("Numeric List Generator")]
-[assembly: AssemblyCopyright("2013-2019 Mijo Software")]
+[assembly: AssemblyCopyright("2013-2021 Mijo Software")]
 [assembly: AssemblyTrademark("Numeric List Generator")]
 [assembly: AssemblyCulture("")]
 
diff --git a/Numeric List Generator/Properties/Resources.Designer.cs b/Numeric List Generator/Properties/Resources.Designer.cs
index f687809a..2af77b85 100644
--- a/Numeric List Generator/Properties/Resources.Designer.cs	
+++ b/Numeric List Generator/Properties/Resources.Designer.cs	
@@ -70,6 +70,16 @@ internal static System.Drawing.Bitmap add {
             }
         }
         
+        /// <summary>
+        ///   Sucht eine lokalisierte Ressource vom Typ System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap arrow_undo {
+            get {
+                object obj = ResourceManager.GetObject("arrow_undo", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
         /// <summary>
         ///   Sucht eine lokalisierte Ressource vom Typ System.Drawing.Bitmap.
         /// </summary>
@@ -160,16 +170,6 @@ internal static System.Drawing.Bitmap paste_plain {
             }
         }
         
-        /// <summary>
-        ///   Sucht eine lokalisierte Ressource vom Typ System.Drawing.Bitmap.
-        /// </summary>
-        internal static System.Drawing.Bitmap plus {
-            get {
-                object obj = ResourceManager.GetObject("plus", resourceCulture);
-                return ((System.Drawing.Bitmap)(obj));
-            }
-        }
-        
         /// <summary>
         ///   Sucht eine lokalisierte Ressource vom Typ System.Drawing.Bitmap.
         /// </summary>
diff --git a/Numeric List Generator/Properties/Resources.resx b/Numeric List Generator/Properties/Resources.resx
index 7662535e..1a0a8d2d 100644
--- a/Numeric List Generator/Properties/Resources.resx	
+++ b/Numeric List Generator/Properties/Resources.resx	
@@ -112,30 +112,27 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="information" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\information.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
-  </data>
-  <data name="plus" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\plus.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="tick" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\tick.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
   <data name="cross" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\cross.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="tick" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\tick.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  <data name="text_list_numbers" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\text_list_numbers.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="clipboard_empty" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\clipboard_empty.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
   <data name="door_open" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\door_open.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="page_copy" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\page_copy.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
-  </data>
   <data name="diskette" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\diskette.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
@@ -145,16 +142,19 @@
   <data name="bin_empty" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\bin_empty.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="clipboard_empty" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\clipboard_empty.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  <data name="page_copy" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\page_copy.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
   <data name="add" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\add.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
+  <data name="information" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\information.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
   <data name="paste_plain" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\paste_plain.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="text_list_numbers" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\text_list_numbers.png;System.Drawing.Bitmap, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  <data name="arrow_undo" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\arrow_undo.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
 </root>
\ No newline at end of file
diff --git a/Numeric List Generator/Properties/Settings.Designer.cs b/Numeric List Generator/Properties/Settings.Designer.cs
index 070f1f8e..aed22c9d 100644
--- a/Numeric List Generator/Properties/Settings.Designer.cs	
+++ b/Numeric List Generator/Properties/Settings.Designer.cs	
@@ -12,7 +12,7 @@ namespace NumericListGenerator.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.4.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.10.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/Numeric List Generator/Resources/arrow_undo.png b/Numeric List Generator/Resources/arrow_undo.png
new file mode 100644
index 00000000..a588266d
Binary files /dev/null and b/Numeric List Generator/Resources/arrow_undo.png differ
diff --git a/Numeric List Generator/app.config b/Numeric List Generator/app.config
index 57c0f2cb..801c8731 100644
--- a/Numeric List Generator/app.config	
+++ b/Numeric List Generator/app.config	
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>
diff --git a/Numeric List Generator/packages.config b/Numeric List Generator/packages.config
index 7891c265..cb2e81f1 100644
--- a/Numeric List Generator/packages.config	
+++ b/Numeric List Generator/packages.config	
@@ -1,8 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.CodeAnalysis.FxCopAnalyzers" version="2.9.8" targetFramework="net40" developmentDependency="true" />
-  <package id="Microsoft.CodeAnalysis.VersionCheckAnalyzer" version="2.9.8" targetFramework="net40" developmentDependency="true" />
-  <package id="Microsoft.CodeQuality.Analyzers" version="2.9.8" targetFramework="net40" developmentDependency="true" />
-  <package id="Microsoft.NetCore.Analyzers" version="2.9.8" targetFramework="net40" developmentDependency="true" />
-  <package id="Microsoft.NetFramework.Analyzers" version="2.9.8" targetFramework="net40" developmentDependency="true" />
+  <package id="Microsoft.CodeAnalysis.NetAnalyzers" version="5.0.3" targetFramework="net45" developmentDependency="true" />
 </packages>
\ No newline at end of file