public void Extend(Rect rect)
{
if (this.Width < rect.Width)
this.Width = rect.Width;
if (this.Height < rect.Height)
this.Height = rect.Height;
}
static Rect()
{
Rect.Empty = new Rect(0,0,0,0);
}
public void SetRenderedBounds(Rect rect)
{
this._bounds = rect;
}
