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CheckedListBox.CheckedIndexCollection.Contains Method

Determines whether the specified index is located in the collection.

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

public bool Contains(
	int index


Type: System.Int32
The index to locate in the collection.

Return Value

Type: System.Boolean
true if the specified index from the CheckedListBox.ObjectCollection is an item in this collection; otherwise, false.

You can use this method to determine whether an index from the Items collection is in the CheckedIndices collection.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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