'宣言
Public Shared Function FromLTRB( _
ByVal left As System.Double, _
ByVal top As System.Double, _
ByVal right As System.Double, _
ByVal bottom As System.Double _
) As Rect
public static Rect FromLTRB(
System.double left,
System.double top,
System.double right,
System.double bottom
)