how can l make a program running in background stay in taskbar, never show on top windows and never receive windows handle, just works in background. for example, l would like to write a program that running in background stay in taskbar,every second of times, the caption of the form will be change, but l dont want the form show out on top windows.l've tried to set the form to minimize property, but when the program about to changed the text in caption then the form will get the windows handle and show out on top. please help !!!