ListBox.ObjectCollection.Contains Method

Determines whether the specified item is located within the collection.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public bool Contains (
	Object value
)
public final boolean Contains (
	Object value
)
public final function Contains (
	value : Object
) : boolean

Parameters

value

An object representing the item to locate in the collection.

Return Value

true if the item is located within the collection; otherwise, false.

The Contains method enables you to determine whether an object is a member of the collection. Once you know that the item is located within the collection, you can use the IndexOf method to determine where the item is located within the collection.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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