System.Windows.Forms 1.0.5000.0 2.0.0.0 System.Enum System.Runtime.InteropServices.ComVisible(true) This enumeration is used by classes such as and . Specifies the selection behavior of a list box. Field System.Windows.Forms.SelectionMode Multiple items can be selected, and the user can use the SHIFT, CTRL, and arrow keys to make selections 1.0.5000.0 2.0.0.0 Field System.Windows.Forms.SelectionMode Multiple items can be selected. 1.0.5000.0 2.0.0.0 Field System.Windows.Forms.SelectionMode No items can be selected. 1.0.5000.0 2.0.0.0 Field System.Windows.Forms.SelectionMode Only one item can be selected. 1.0.5000.0 2.0.0.0