MatchCollection.IList.IndexOf(Object) Method
Definition
Important
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Determines the index of a specific item in the collection.
virtual int System.Collections.IList.IndexOf(System::Object ^ value) = System::Collections::IList::IndexOf;int IList.IndexOf (object value);abstract member System.Collections.IList.IndexOf : obj -> int
override this.System.Collections.IList.IndexOf : obj -> intFunction IndexOf (value As Object) As Integer Implements IList.IndexOfParameters
- value
- Object
The object to locate in the collection.
Returns
The index of value if found in the list; otherwise, -1.
Implements
Remarks
Starting with the .NET Framework 2.0, this method uses the collection's objects' Equals and CompareTo methods on item to determine whether item exists. In earlier versions of the .NET Framework, this determination was made by using the Equals and CompareTo methods of the item parameter on the objects in the collection.
Applies to
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