public LiveWindowPreviewProvider(IntPtr windowHandle)
 {
     if (Interop.IsDwmEnabled)
     {
         thumb                = new WindowThumbnail();
         thumb.Source         = windowHandle;
         thumb.ClientAreaOnly = true;
     }
 }
 public LiveWindowPreviewProvider(IntPtr windowHandle)
 {
     if (Interop.IsDwmEnabled)
     {
         thumb = new WindowThumbnail();
         thumb.Source = windowHandle;
         thumb.ClientAreaOnly = true;
     }
 }