How can I make a list lie the list on the left of outlook?

  • Thread starter Thread starter Kun Niu
  • Start date Start date
K

Kun Niu

Dear all,
I'm trying to write a control like the list on the left of outlook.
I have a button with a list under it.
But it's a bit difficult for me to implement the pop up and pop down.
I wonder if there's a sample control in c#.
Thanks for any hints in advance.
 
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