Forked from here: http://www.codeproject.com/Articles/25471/Customizable-ComboBox-Drop-Down
AdamsLair/winforms.popupcontrol
Forked from here: http://www.codeproject.com/Articles/25471/Customizable-ComboBox-Drop-Down
C#LGPL-3.0
Forked from here: http://www.codeproject.com/Articles/25471/Customizable-ComboBox-Drop-Down
C#LGPL-3.0