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BeginEdit() is not working in TreeView

In C# I have used TreeView in my Form.
In TreeNode editing I have used validation so that if user enter illegal characters and press enter, Error message is shown to user.
But when user press Ok in messagebox, TreeNode doesn't return to edit mode even I call TreeNode.BeginEdit(). However it is working fine in ListView. I dont want to override TreeView. Please any suggestion with code. API method is also welcomed.
Dec 3 '08 #1
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