Get SystemVersionInfo with Interop

src/Shared/HandyControlDemo_Shared/App.xaml.cs

@@ -73,7 +73,6 @@ namespace HandyControlDemo
                     UpdateSkin(GlobalData.Config.Skin);
                 }
 
-                ConfigHelper.Instance.SystemVersionInfo = CommonHelper.GetSystemVersionInfo();
                 ConfigHelper.Instance.SetWindowDefaultStyle();
                 ConfigHelper.Instance.SetNavigationWindowDefaultStyle();
 

src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs

@@ -13,10 +13,18 @@ namespace HandyControl.Controls
             base.OnApplyTemplate();
             EnableBlur(this);
         }
+       
+        private static SystemVersionInfo GetSystemVersionInfo()
+        {
+            var osv = new InteropValues.RTL_OSVERSIONINFOEX();
+            osv.dwOSVersionInfoSize = (uint)Marshal.SizeOf(osv);
+            InteropMethods.Gdip.RtlGetVersion(out osv);
+            return new SystemVersionInfo((int)osv.dwMajorVersion, (int)osv.dwMinorVersion, (int)osv.dwBuildNumber);
+        }
 
         internal static void EnableBlur(Window window)
         {
-            var versionInfo = ConfigHelper.Instance.SystemVersionInfo;
+            var versionInfo = GetSystemVersionInfo();
 
             if (versionInfo < SystemVersionInfo.Windows10 ||
                 versionInfo >= SystemVersionInfo.Windows10_1903)

src/Shared/HandyControl_Shared/Data/HandyControlConfig.cs

@@ -2,8 +2,6 @@
 {
     public class HandyControlConfig
     {
-        public SystemVersionInfo SystemVersionInfo { get; set; }
-
         public string Lang { get; set; }
 
         public int TimelineFrameRate { get; set; } = 60;

src/Shared/HandyControl_Shared/Tools/Helper/ConfigHelper.cs

@@ -37,8 +37,6 @@ namespace HandyControl.Tools
             }
         }
 
-        public SystemVersionInfo SystemVersionInfo { get; set; }
-
         public void SetLang(string lang)
         {
             LangProvider.Culture = new CultureInfo(lang);
@@ -48,7 +46,6 @@ namespace HandyControl.Tools
 
         public void SetConfig(HandyControlConfig config)
         {
-            SystemVersionInfo = config.SystemVersionInfo;
             SetLang(config.Lang);
             SetTimelineFrameRate(config.TimelineFrameRate);
         }

src/Shared/HandyControl_Shared/Tools/Interop/InteropMethods.cs

@@ -703,6 +703,10 @@ namespace HandyControl.Tools.Interop
             [DllImport(InteropValues.ExternDll.GdiPlus, SetLastError = true, ExactSpelling = true, CharSet = CharSet.Unicode)]
             [ResourceExposure(ResourceScope.None)]
             internal static extern int GdipSaveImageToStream(HandleRef image, InteropValues.IStream stream, ref Guid classId, HandleRef encoderParams);
+
+            [DllImport(InteropValues.ExternDll.NTdll)]
+            internal static extern int RtlGetVersion(out InteropValues.RTL_OSVERSIONINFOEX lpVersionInformation);
+
         }
     }
 }

src/Shared/HandyControl_Shared/Tools/Interop/InteropValues.cs

@@ -17,7 +17,8 @@ namespace HandyControl.Tools.Interop
                 GdiPlus = "gdiplus.dll",
                 Kernel32 = "kernel32.dll",
                 Shell32 = "shell32.dll",
-                MsImg = "msimg32.dll";
+                MsImg = "msimg32.dll",
+                NTdll = "ntdll.dll";
         }
 
         internal delegate IntPtr HookProc(int code, IntPtr wParam, IntPtr lParam);
@@ -956,5 +957,17 @@ namespace HandyControl.Tools.Interop
             public RECT rc;
             public int lParam;
         }
+
+        [StructLayout(LayoutKind.Sequential)]
+        internal struct RTL_OSVERSIONINFOEX
+        {
+            internal uint dwOSVersionInfoSize;
+            internal uint dwMajorVersion;
+            internal uint dwMinorVersion;
+            internal uint dwBuildNumber;
+            internal uint dwPlatformId;
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
+            internal string szCSDVersion;
+        }
     }
 }