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