How to use Split panel?

If you see the MSDN Library, You can see the Splitting bar between Contents tree and browsing panel that we can adjust area of each side.
How can I do this? Which control and ocx should be used for that?
If you have any example please reply with it!!.
Thanks.

There's an example in the code library here

http://www.visualbasicforum.com/showthread.php?t=20862

Thank you!!