How to remove Icon menu in Title bar

Hi G.D.G

I have select a skin for my project,In its title bar it can shows my program icon or the own skin icon, When user click on it a submenu will be opened with some actions like : “Minimize” “Close” “Minimize to Tray” etc.
I want to remove this submenu, I want my icon without any effect,Is there any way to remove this submenu?

See Picture attached for understanding my meaning

[attachment=0]form.png[/attachment]

Please Guide Me in Step By Step Mode

Sorry but you can’t disable that menu without removing the icon.