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TreeNodeCollection.IList.IndexOf Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Returns the index of the specified tree node in the collection.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

int IList.IndexOf(
	Object node


Type: System.Object

The TreeNode to locate in the collection.

Return Value

Type: System.Int32
The zero-based index of the item found in the tree node collection; otherwise, -1.



If node is not a TreeNode, the IList.IndexOf method returns -1. Therefore, you cannot pass in a string to find the node that has the value of the string as its Text property.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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