ListItemCollection.IList.IndexOf(Object) Method     
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
For a description of this member, see IndexOf(Object).
 virtual int System.Collections.IList.IndexOf(System::Object ^ item) = System::Collections::IList::IndexOf;int IList.IndexOf(object item);abstract member System.Collections.IList.IndexOf : obj -> int
override this.System.Collections.IList.IndexOf : obj -> intFunction IndexOf (item As Object) As Integer Implements IList.IndexOfParameters
Returns
The index of value if found in the list; otherwise, -1.
Implements
Remarks
This member is an explicit interface member implementation. It can be used only when the ListItemCollection instance is cast to an IList interface.