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BeforeCollapse Event
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Occurs before the tree node is collapsed.

Syntax

Visual Basic (Declaration) 
Public Event BeforeCollapse() As TreeViewCancelEventHandler
Visual Basic (Usage)Copy Code
Dim instance As TOCTree
Dim handler As TreeViewCancelEventHandler
 
AddHandler instance.BeforeCollapse, handler
C# 
public event TreeViewCancelEventHandler BeforeCollapse()

See Also