TreeNodeCollection.ContainsKey(String) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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);public virtual bool ContainsKey (string? key);abstract member ContainsKey : string -> bool
override this.ContainsKey : string -> boolPublic Overridable Function ContainsKey (key As String) As BooleanParameters
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[] property returns false.
Applies to
Samarbeta med oss på GitHub
Källan för det här innehållet finns på GitHub, där du även kan skapa och granska ärenden och pull-begäranden. Se vår deltagarguide för mer information.
