public void RegisterThumbnail(IntPtr baseWindow, ref System.Windows.Controls.Image image, Point location, Size size) { if (_thumbnailHandle != IntPtr.Zero) { DwmApi.DwmUnregisterThumbnail(_thumbnailHandle); } DwmApi.DwmRegisterThumbnail(baseWindow, _windowHandle, out _thumbnailHandle); if (_thumbnailHandle == IntPtr.Zero) { return; } var thumbnailProperties = new DwmApi.ThumbnailProperties { dwFlags = DwmApi.ThumbnailProperties.DWM_TNP_VISIBLE + DwmApi.ThumbnailProperties.DWM_TNP_OPACITY + DwmApi.ThumbnailProperties.DWM_TNP_RECTDESTINATION, opacity = 255, fVisible = true, rcDestination = new WUser32.Rectangle { Left = (int)location.X, Top = (int)location.Y, Right = (int)size.Width, Bottom = (int)size.Height } }; DwmApi.DwmUpdateThumbnailProperties(_thumbnailHandle, ref thumbnailProperties); }
public void RegisterThumbnail( IntPtr baseWindow, ref System.Windows.Controls.Image image, Point location, Size size ) { if ( _thumbnailHandle != IntPtr.Zero ) { DwmApi.DwmUnregisterThumbnail( _thumbnailHandle ); } DwmApi.DwmRegisterThumbnail( baseWindow, _windowHandle, out _thumbnailHandle ); if ( _thumbnailHandle == IntPtr.Zero ) { return; } var thumbnailProperties = new DwmApi.ThumbnailProperties { dwFlags = DwmApi.ThumbnailProperties.DWM_TNP_VISIBLE + DwmApi.ThumbnailProperties.DWM_TNP_OPACITY + DwmApi.ThumbnailProperties.DWM_TNP_RECTDESTINATION, opacity = 255, fVisible = true, rcDestination = new WUser32.Rectangle { Left = (int)location.X, Top = (int)location.Y, Right = (int)size.Width, Bottom = (int)size.Height } }; DwmApi.DwmUpdateThumbnailProperties( _thumbnailHandle, ref thumbnailProperties ); }