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CheckedListBox.CheckedItemCollection.IndexOf Method

Returns an index into the collection of checked items.

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

public int IndexOf(
	Object item
)

Parameters

item
Type: System.Object

The object whose index you want to retrieve. This object must belong to the checked items collection.

Return Value

Type: System.Int32
The index of the object in the checked item collection or -1 if the object is not in the collection. For more information, see the examples in the CheckedListBox.CheckedItemCollection class overview.

Implements

IList.IndexOf(Object)

The CheckedItems collection is a subset of the objects in the Items collection, representing only items that are checked. This collection is ordered in ascending order.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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