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BeforeExpand Event
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Occurs before the tree node is expanded.

Syntax

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

See Also