If OpenWindow(0,0,0,500,250,"Window",#PB_Window_SystemMenu|#PB_Window_ScreenCentered) ProgressBarGadget(1,10,10,480,20,0,100,8) SendMessage_(GadgetID(1),#WM_USER+10,1,50) Repeat : Until WaitWindowEvent() = #PB_Event_CloseWindow EndIf