Gets or sets the index of the currently selected item in the list. A zero-based index of the currently selected item. A value of negative one (-1) is returned if no item is selected. When SelectionMode is Single then only one item remains selected.
Gets or sets a value indicating how the items of the C1CheckList control can be selected. SelectionMode is of type enumeration SelectionMode. The default is SelectionMode.Multiple. When SelectionMode was changed value to Single then one item remains selected.
Overloaded. Overridden. Releases the unmanaged resources used by the System.Windows.Forms.Control and its child controls and optionally releases the managed resources.
