ListBox.SelectedObjectCollection.IndexOf(Object) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Source:: ListBox.SelectedObjectCollection.cs

Source:: ListBox.SelectedObjectCollection.cs

Source:: ListBox.SelectedObjectCollection.cs

Important

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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

共用方式為