TreeView.CollapseAll Method

Note: This method is new in the .NET Framework version 2.0.

Closes every node in the tree.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)

public:
void CollapseAll ()
public void CollapseAll ()
public function CollapseAll ()

The CollapseAll method provides a convenient way to close every node in the tree.

The following code example demonstrates how to use the CollapseAll method to collapse all the nodes in the TreeView control at the same time.

No code example is currently available or this language may not be supported.

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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