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RadTreeViewCollapseAll Method (RadTreeNodeCollection)
Collapses all nodes in a given collection.

Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.UI (in Telerik.WinControls.UI.dll) Version: 2018.3.911.40 (2018.3.911.40)
Syntax
public void CollapseAll(
	RadTreeNodeCollection nodes
)

Parameters

nodes
Type: Telerik.WinControls.UIRadTreeNodeCollection
The collection of nodes to be collapsed.
See Also