The sample form demonstrates how to bring the Uniface application window to the front in case it's minimized or behind another application. For details about this problem see the following post: http://unifaceinfo.com/forum/uniface9/looking-to-for-a-good-spell-checker-dll-to-call-from-a-uniface-app. Simply import and compile all (sample form BRINGTOFRONT and the C call-out signatures YRTL and USER32).