System.Windows.Forms 1.0.5000.0 2.0.0.0 System.Enum This enumeration is used by members such as . Specifies the orientation of controls or elements of controls. Field System.Windows.Forms.Orientation The control or element is oriented horizontally. 1.0.5000.0 2.0.0.0 Field System.Windows.Forms.Orientation The control or element is oriented vertically. 1.0.5000.0 2.0.0.0