When implemented by a class, determines the index of a specific item in the IList.
[Visual Basic] Function IndexOf( _ ByVal value As Object _ ) As Integer [C#] int IndexOf( object value ); [C++] int IndexOf( Object* value ) = 0; [JScript] function IndexOf( value : Object ) : int;
The index of value if found in the list; otherwise,-1.
IList Interface | IList Members | System.Collections Namespace