TreeNodeCollection.IndexOfKey Method (String)

 

Returns the index of the first occurrence of a tree node 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 tree node to search for.

Return Value

Type: System.Int32

The zero-based index of the first occurrence of a tree node 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 TreeNode in the TreeNodeCollection.

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

.NET Framework
Available since 2.0
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