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ListView.ListViewItemCollection.IndexOfKey Method

Retrieves the index of the item with the specified key.

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

public virtual int IndexOfKey(
	string key
)

Parameters

key
Type: System.String
The name of the item to find in the collection.

Return Value

Type: System.Int32
The zero-based index of the first occurrence of the item with the specified key, if found; otherwise, -1.

If IndexOfKey is called successively, the last returned index will be checked for a key match first, and if there is no match, the search starts at the beginning of the collection.

The Name property corresponds to the key for a ListViewItem in the ListView.ListViewItemCollection.

The key comparison is not case-sensitive. If the key parameter is null or an empty string, IndexOfKey returns -1.

.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.

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