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How to programmatically collapse and expand the TreeNodeAdv in WinForms MulticolumnTreeview?

Platform: WinForms |
Control: MultiColumnTreeView |
Published Date: June 1, 2015 |
Last Revised Date: January 7, 2020

Collapse and expand the TreeNodeAdv

In MultiColumnTreeView, the TreeNodeAdv can be collapsed and expanded programmatically by using the CollapseAll and ExpandAll functions. Refer to the following code examples.

C#

//Collapses the nodes in MultiColumnTreeView
this.multiColumnTreeView1.CollapseAll();
//Expands the nodes in MultiColumnTreeview
this.multiColumnTreeView1.ExpandAll();

VB

'Collapses the nodes in MultiColumnTreeView
Me.multiColumnTreeView1.CollapseAll()
'Expands the nodes in MultiColumnTreeview
Me.multiColumnTreeView1.ExpandAll()

Samples:

C#: http://www.syncfusion.com/downloads/support/directtrac/118903/ze/MultiColumnTreeView_Collapse975100970

VB: http://www.syncfusion.com/downloads/support/directtrac/118903/ze/MultiColumnTreeView_Collapse_VB860626253

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