TreeNodeCollection.IList.Contains(Object) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

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Determines whether the specified tree node is a member of the collection.

 virtual bool System.Collections.IList.Contains(System::Object ^ node) = System::Collections::IList::Contains;

bool IList.Contains (object node);

bool IList.Contains (object? node);

abstract member System.Collections.IList.Contains : obj -> bool
override this.System.Collections.IList.Contains : obj -> bool

Function Contains (node As Object) As Boolean Implements IList.Contains

Parameters

node: Object

The object to find in the collection.

Returns

Boolean

true if node is a member of the collection; otherwise, false.

Implements

Contains(Object)

Remarks

If node is not a TreeNode, the IList.Contains method returns false. Therefore, you cannot pass in a string to determine if the collection contains a node that has the value of the string as its Text property.

Applies to