ListBox.ObjectCollection.IndexOf(Object) Method

Definition

Returns the index within the collection of the specified item.

public:
 int IndexOf(System::Object ^ value);
public:
 virtual int IndexOf(System::Object ^ value);
public int IndexOf (object value);
member this.IndexOf : obj -> int
abstract member IndexOf : obj -> int
override this.IndexOf : obj -> int
Public Function IndexOf (value As Object) As Integer

Parameters

value
Object

An object representing the item to locate in the collection.

Returns

Int32

The zero-based index where the item is located within the collection; otherwise, negative one (-1).

Implements

Exceptions

The value parameter is null.

Remarks

The IndexOf method enables you to determine where an item is located within the collection. To determine whether an item is located within the collection before calling this method, use the Contains method.

Applies to

See also