ListBox.SelectedObjectCollection.IndexOf(Object) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

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.

Returns the index within the collection of the specified item.

public:
 virtual int IndexOf(System::Object ^ selectedObject);

public int IndexOf (object selectedObject);

public int IndexOf (object? selectedObject);

abstract member IndexOf : obj -> int
override this.IndexOf : obj -> int

Public Function IndexOf (selectedObject As Object) As Integer

Parameters

selectedObject: Object

An object representing the item to locate in the collection.

Returns

Int32

The zero-based index of the item in the collection; otherwise, -1.

Implements

IndexOf(Object)

Remarks

Once you know that an item is located within the collection (using the Contains method), you can use the IndexOf method to determine where a specific item within the ListBox.ObjectCollection for the ListBox is stored within the ListBox.SelectedObjectCollection.

Applies to