public override bool Equals(object obj)
{
if (!(obj is ExtPoint))
{
return(false);
}
ExtPoint point = (ExtPoint)obj;
return(point.X == this.X && point.Y == this.Y);
}
public static ExtPoint Subtract(ExtPoint pt, ExtSize sz)
{
return(new ExtPoint(pt.X - sz.Width, pt.Y - sz.Height));
}
public static ExtPoint Add(ExtPoint pt, ExtSize sz)
{
return(new ExtPoint(pt.X + sz.Width, pt.Y + sz.Height));
}