TreeNodeCollection::ContainsKey Method (String^)
.NET Framework (current version)
Determines whether the collection contains a tree node with the specified key.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Parameters
- key
-
Type:
System::String^
The name of the TreeNode to search for.
Return Value
Type: System::Booleantrue to indicate the collection contains a TreeNode with the specified key; otherwise, false.
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.
.NET Framework
Available since 2.0
Available since 2.0
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