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ListViewGroupCollection.IndexOf Method

Returns the index of the specified ListViewGroup within the collection.

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

public int IndexOf(
	ListViewGroup value


Type: System.Windows.Forms.ListViewGroup
The ListViewGroup to locate in the collection.

Return Value

Type: System.Int32
The zero-based index of the group within the collection, or -1 if the group is not in the collection.

Use this method to determine the index of a group within the collection. This is useful, for example, to determine the index of each group when you iterate through the collection using the IEnumerator returned by the GetEnumerator method.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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.