I know this is a very old thread now at this point, however I was also looking to accomplish the same thing very recently and I just wanted to post a follow up for any others who search the list to know that for me the best method was to use RadioButtons and set the DrawIndicator and Modes to false. -- View this message in context: http://mono.1490590.n4.nabble.com/Toggled-state-change-and-events-tp1543455p2325650.html Sent from the Mono - Gtk# mailing list archive at Nabble.com. _______________________________________________ Gtk-sharp-list maillist - Gtk-sharp-list@lists.ximian.com http://lists.ximian.com/mailman/listinfo/gtk-sharp-list