ListBox.SelectedIndexCollection.IList.IndexOf Method (Object)


This API supports the product infrastructure and is not intended to be used directly from your code.

For a description of this member, see IList.IndexOf.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

int IList.IndexOf(
	object selectedIndex


Type: System.Object

The zero-based index from the ListBox.ObjectCollection to locate in this collection.

Return Value

Type: System.Int32

The zero-based index in the collection where the specified index of the ListBox.ObjectCollection is located if it is in the ListBox.SelectedIndexCollection; otherwise, -1.

This member is an explicit interface member implementation. It can be used only when the ListBox.SelectedIndexCollection instance is cast to an IList interface.

The ListBox.SelectedIndexCollection contains the indexes of selected items in the ListBox.ObjectCollection of the ListBox control.

.NET Framework
Available since 1.1
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