public static Rect Expand(this Rect rect, int expand) { return(rect.Expand(expand, expand)); }
public static Rect Expand(this Rect rect, Size expand) { return(rect.Expand(expand.Width, expand.Height)); }
public static Rect Expand(this Rect rect, double expandX, double expandY) { return(rect.Expand(new Point(expandX, expandY))); }