Use the TreeNodeStyleCollection.Remove(TreeNodeStyle) method to remove the specified System.Web.UI.WebControls.TreeNodeStyle object from the collection. The indexes of the remaining objects are updated to be consecutive.

As an alternative, you can remove a node at specific index by using the TreeNodeStyleCollection.RemoveAt(int) method. You can also remove every node in the collection by using the System.Web.UI.StateManagedCollection.Clear method.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in System.Web.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0