Extra Button in the ControlBox

Hi!
I need to put an extra button on the top of the main form application, on the caption. Perhaps you've seen the extra button on the top of GetRigth's download dialog box, I want some like that for my app.
Do you know any windows API I can use?

Thanx in advance,

Here is an example on PLanet-Source-Code.com/vb
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http://www.planet-source-code.com/xq...s/ShowCode.htm

John G

Great example

Iouri Boutchkine
[email protected]

Thank you for your help.

Hjagar