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)));
}