DYN-7139 WebView2 Crash when Opening Dialog

src/DynamoCoreWpf/PublicAPI.Unshipped.txt

@@ -2067,6 +2067,10 @@ Dynamo.ViewModels.DynamoViewModel.ShowOpenDialogAndOpenResultCommand.get -> Dyna
 Dynamo.ViewModels.DynamoViewModel.ShowOpenDialogAndOpenResultCommand.set -> void
 Dynamo.ViewModels.DynamoViewModel.ShowOpenTemplateDialogCommand.get -> Dynamo.UI.Commands.DelegateCommand
 Dynamo.ViewModels.DynamoViewModel.ShowOpenTemplateDialogCommand.set -> void
+Dynamo.ViewModels.DynamoViewModel.ShowOpenDialogAndOpenResultAsyncCommand.get -> Dynamo.UI.Commands.DelegateCommand
+Dynamo.ViewModels.DynamoViewModel.ShowOpenDialogAndOpenResultAsyncCommand.set -> void
+Dynamo.ViewModels.DynamoViewModel.ShowOpenTemplateDialogAsyncCommand.get -> Dynamo.UI.Commands.DelegateCommand
+Dynamo.ViewModels.DynamoViewModel.ShowOpenTemplateDialogAsyncCommand.set -> void
 Dynamo.ViewModels.DynamoViewModel.ShowPackageManagerCommand.get -> Dynamo.UI.Commands.DelegateCommand
 Dynamo.ViewModels.DynamoViewModel.ShowPackageManagerCommand.set -> void
 Dynamo.ViewModels.DynamoViewModel.ShowPackageManagerSearchCommand.get -> Dynamo.UI.Commands.DelegateCommand

src/DynamoCoreWpf/ViewModels/Core/DynamoViewModel.cs

@@ -2185,6 +2185,11 @@ private void ShowOpenDialogAndOpenResult(object parameter)
             }
         }
 
+        private async void ShowOpenDialogAndOpenResultAsync(object parameter)
+        {
+            UIDispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, () => ShowOpenDialogAndOpenResult(parameter));
+        }
+
         private void SetDefaultInitialDirectory(DynamoOpenFileDialog _fileDialog)
         {
             try

src/DynamoCoreWpf/ViewModels/Core/DynamoViewModelDelegateCommands.cs

@@ -18,6 +18,8 @@ private void InitializeDelegateCommands()
             SaveCommand = new DelegateCommand(Save, CanSave);
             SaveAsCommand = new DelegateCommand(SaveAs, CanSaveAs);
             ShowOpenDialogAndOpenResultCommand = new DelegateCommand(ShowOpenDialogAndOpenResult, CanShowOpenDialogAndOpenResultCommand);
+            ShowOpenDialogAndOpenResultAsyncCommand = new DelegateCommand(ShowOpenDialogAndOpenResultAsync, CanShowOpenDialogAndOpenResultCommand);
+            ShowOpenTemplateDialogAsyncCommand = new DelegateCommand(ShowOpenDialogAndOpenResultAsync, CanShowOpenDialogAndOpenResultCommand);
             ShowOpenTemplateDialogCommand = new DelegateCommand(ShowOpenDialogAndOpenResult, CanShowOpenDialogAndOpenResultCommand);
             ShowInsertDialogAndInsertResultCommand = new DelegateCommand(ShowInsertDialogAndInsertResult, CanShowInsertDialogAndInsertResultCommand);
             ShowSaveDialogAndSaveResultCommand = new DelegateCommand(ShowSaveDialogAndSaveResult, CanShowSaveDialogAndSaveResult);
@@ -99,8 +101,10 @@ private void InitializeDelegateCommands()
         public DelegateCommand OpenFromJsonCommand { get; set; }
         public DelegateCommand OpenIfSavedCommand { get; set; }
         public DelegateCommand OpenCommand { get; set; }
+        public DelegateCommand ShowOpenDialogAndOpenResultAsyncCommand { get; set; }
         public DelegateCommand ShowOpenDialogAndOpenResultCommand { get; set; }
         public DelegateCommand ShowOpenTemplateDialogCommand { get; set; }
+        public DelegateCommand ShowOpenTemplateDialogAsyncCommand { get; set; }
         public DelegateCommand ShowInsertDialogAndInsertResultCommand { get; set; }
         public DelegateCommand WriteToLogCmd { get; set; }
         public DelegateCommand PostUiActivationCommand { get; set; }

src/DynamoCoreWpf/Views/Core/DynamoView.xaml

@@ -114,10 +114,10 @@
                     Command="{Binding Path=DataContext.ShowSaveDialogAndSaveResultCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}" />
         <KeyBinding Key="O"
                     Modifiers="Control"
-                    Command="{Binding Path=DataContext.ShowOpenDialogAndOpenResultCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}" />
+                    Command="{Binding Path=DataContext.ShowOpenDialogAndOpenResultAsyncCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}" />
         <KeyBinding Key="T"
                     Modifiers="Control"
-                    Command="{Binding Path=DataContext.ShowOpenTemplateDialogCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}"
+                    Command="{Binding Path=DataContext.ShowOpenTemplateDialogAsyncCommand, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type controls:DynamoView}}}"
                     CommandParameter="Template"/>
         <KeyBinding Key="I"
                     Modifiers="Control+Shift"

src/DynamoCoreWpf/Views/HomePage/HomePage.xaml.cs

@@ -520,7 +520,7 @@ internal void OpenWorkspace()
                 return;
             }
 
-            this.startPage?.DynamoViewModel?.ShowOpenDialogAndOpenResultCommand.Execute(null);
+            this.startPage?.DynamoViewModel?.ShowOpenDialogAndOpenResultAsyncCommand.Execute(null);
             Logging.Analytics.TrackEvent(Logging.Actions.Open, Logging.Categories.DynamoHomeOperations, "Workspace");
         }
 
@@ -575,7 +575,7 @@ internal void OpenTemplate()
             }
 
             // Equivalent to CommandParameter="Template"
-            this.startPage?.DynamoViewModel?.ShowOpenTemplateDialogCommand.Execute("Template");
+            this.startPage?.DynamoViewModel?.ShowOpenTemplateDialogAsyncCommand.Execute("Template");
             Logging.Analytics.TrackEvent(Logging.Actions.Open, Logging.Categories.DynamoHomeOperations, "Template");
         }