/// <summary>
/// Fires a queue draw, if there is one. If the invalidated
/// region is empty, there are no updated and the queue is not
/// called.
/// </summary>
public void FireQueueDraw(Widget widget)
{
Rectangle r = GetInvalidatedRegion();
if (!r.IsEmpty)
{
widget.QueueDrawArea(r.X, r.Y, r.Width, r.Height);
}
}
public static void VidgetBackendInvalidate(this Widget widget, Xwt.Rectangle rect)
{
widget.QueueDrawArea((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height);
}
