[To be supplied.]
The following declaration shows the syntax for a method that handles the BeforeExpand event.
[Visual Basic] Private Sub TreeViewName_BeforeExpand( _ ByVal sender As Object, _ ByVal e As TreeViewCancelEventArgs _ ) [C#] private void TreeViewName_BeforeExpand( object sender, TreeViewCancelEventArgs e ); [C++] private: void TreeViewName_BeforeExpand( Object* sender, TreeViewCancelEventArgs* e ); [JScript] private TreeViewName_BeforeExpand( sender : Object, e : TreeViewCancelEventArgs );
TreeView Class | TreeView MembersTopic | System.WinForms Namespace