ListView.ListViewItemCollection.IndexOfKey(String) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Source:: ListView.ListViewItemCollection.cs

Source:: ListView.ListViewItemCollection.cs

Source:: ListView.ListViewItemCollection.cs

Important

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Retrieves the index of the item with the specified key.

public:
 virtual int IndexOfKey(System::String ^ key);

public virtual int IndexOfKey(string key);

public virtual int IndexOfKey(string? key);

abstract member IndexOfKey : string -> int
override this.IndexOfKey : string -> int

Public Overridable Function IndexOfKey (key As String) As Integer

Parameters

key: String

The name of the item to find in the collection.

Returns

Int32

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

Remarks

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.

Applies to

Продукт	Версії
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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