ListBox.SelectedIndexCollection.IList.Contains Method (Object)


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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.Contains.

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

bool IList.Contains(
	object selectedIndex


Type: System.Object

The index to locate in the collection.

Return Value

Type: System.Boolean

true if the specified index from the ListBox.ObjectCollection for the ListBox is an item in this collection; otherwise, false.

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 IList.Contains method enables you to determine whether an index position from the ListBox.ObjectCollection a member of the selected indexes stored in the ListBox.SelectedIndexCollection. You can use this method to determine whether a specific item in a multiple-selection list box is selected.

.NET Framework
Available since 1.1
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