How can I make a transparent ComboBox?

I want to make a clear ComboBox. How do I do thi开发者_开发问答s?

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You will have to override Paint and draw the control yourself.

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I posted an article on CodeProject on how to take over the drawing of combo box to paint a flat border. It is not specifically about transparency drawing that you are after but hopefully offer a good starting point

http://www.codeproject.com/KB/combobox/ComboBox_appears_flat.aspx