s

.github/workflows/sub_buildWindows.yml

@@ -76,12 +76,6 @@ jobs:
           mkdir ${{ env.logdir }}
           mkdir ${{ env.reportdir }}
           echo "reportFile=${{ env.reportfilename }}" >> $GITHUB_OUTPUT
-      - name: Check Windows SDK installation
-        run: dir "C:\Program Files (x86)\Windows Kits\10\Lib"
-      - name: Check Environment Variables
-        run: |
-          echo "WindowsSdkDir=$env:WindowsSdkDir"
-          echo "WindowsSDKVersion=$env:WindowsSDKVersion"
       - name: Get Ccache
         uses: ./.github/workflows/actions/windows/getCcache
         with:

src/Gui/CMakeLists.txt

@@ -95,6 +95,15 @@ if(MSVC)
     else()
         message(FATAL_ERROR "Windows uxtheme not found in expected location: ${WINDOWS_SDK_PATH}")
     endif()
+
+    check_include_file(dwmapi.h HAVE_DWMAPI_H)
+    check_library_exists(dwmapi DwmExtendFrameIntoClientArea "" HAVE_DWM_FUNC)
+    if(HAVE_DWMAPI_H)
+        message(STATUS "have dwmapi.h")
+    endif()
+    if(HAVE_DWM_FUNC)
+        message(STATUS "have DwmExtendFrameIntoClientArea")
+    endif()
 
 
     if(FREECAD_USE_3DCONNEXION_LEGACY)

src/Gui/FramelessWindow.cpp

@@ -25,7 +25,22 @@
 #ifndef _PreComp_
 #endif
 
+#pragma message("Q_OS_WIN should be true")
 #ifdef Q_OS_WIN
+    #define _STRINGIZE(x) #x
+    #define STRINGIZE(x) _STRINGIZE(x)
+    #pragma message("_WIN32_WINNT: " _STRINGIZE(_WIN32_WINNT))
+    #pragma message("WINVER: " _STRINGIZE(WINVER))
+    #pragma message("NTDDI_VERSION: " _STRINGIZE(NTDDI_VERSION))
+
+    #ifdef NTDDI_VERSION
+        #if NTDDI_VERSION >= NTDDI_VISTA
+            #define HAS_DWM_API 1
+            #pragma message("HAS_DWM_API")
+        #endif
+    #endif
+
+
     #ifndef _WIN32_WINNT
         #define _WIN32_WINNT 0x0601
     #endif