public void Update(Rectangle destination, byte opacity, bool visible, bool onlyClientArea)
{
DwmThumbnailProperties prop = default(DwmThumbnailProperties);
prop.dwFlags = (DwmThumbnailFlags.RectDestination | DwmThumbnailFlags.Opacity | DwmThumbnailFlags.Visible | DwmThumbnailFlags.SourceClientAreaOnly);
prop.rcDestination = new RECT(destination);
prop.opacity = opacity;
prop.fVisible = visible;
prop.fSourceClientAreaOnly = onlyClientArea;
NativeMethod.DwmUpdateThumbnailProperties(this, ref prop).CheckError();
}
public void Update(Rectangle destination, Rectangle source, byte opacity, bool visible, bool onlyClientArea)
{
if (source.Width < 1 || source.Height < 1)
{
throw new ArgumentException("Thumbnail source rectangle cannot have null or negative size.");
}
DwmThumbnailProperties prop = default(DwmThumbnailProperties);
prop.dwFlags = (DwmThumbnailFlags.RectDestination | DwmThumbnailFlags.RectSource | DwmThumbnailFlags.Opacity | DwmThumbnailFlags.Visible | DwmThumbnailFlags.SourceClientAreaOnly);
prop.rcDestination = new RECT(destination);
prop.rcSource = new RECT(source);
prop.opacity = opacity;
prop.fVisible = visible;
prop.fSourceClientAreaOnly = onlyClientArea;
NativeMethod.DwmUpdateThumbnailProperties(this, ref prop).CheckError();
}
