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CheckedListBox.CheckedIndexCollection.IndexOf Method

Returns an index into the collection of checked indexes.

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

public int IndexOf(
	int index
)

Parameters

index
Type: System.Int32

The index of the checked item.

Return Value

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

The index parameter is the index of a checked item in the items collection. The return value is the corresponding index into the checked indexes collection.

.NET Framework

Supported in: 4.5.2, 4.5.1, 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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