Pen is the color of the shadow part of a 3D element
[Visual Basic] Public Shared ReadOnly Property ControlDark As Pen [C#] public static Pen ControlDark {get;} [C++] public: __property static Pen* get_ControlDark(); [JScript] public static function get ControlDark() : Pen;
SystemPens Class | SystemPens Members | System.Drawing Namespace