public RectangleF Merge( RectangleF rhs )
{
if ( Width == 0 )
{
this = rhs;
}
else
{
Left = System.Math.Min( Left, rhs.Left );
Right = System.Math.Max( Right, rhs.Right );
Top = System.Math.Min( Top, rhs.Top );
Bottom = System.Math.Max( Bottom, rhs.Bottom );
}
return this;
}