TreeNodeCollection.ContainsKey(String) TreeNodeCollection.ContainsKey(String) TreeNodeCollection.ContainsKey(String) TreeNodeCollection.ContainsKey(String) Method

Definition

Determines whether the collection contains a tree node with the specified key.

public:
 virtual bool ContainsKey(System::String ^ key);
public virtual bool ContainsKey (string key);
abstract member ContainsKey : string -> bool
override this.ContainsKey : string -> bool
Public Overridable Function ContainsKey (key As String) As Boolean

Parameters

key
String String String String

The name of the TreeNode to search for.

Returns

true to indicate the collection contains a TreeNode with the specified key; otherwise, false.

Remarks

The Name property corresponds to the key for a TreeNode in the TreeNodeCollection.

The key comparison is not case-sensitive. If the key parameter is null or an empty string, the Item[String] property returns false.

Applies to