EnableExplicit Define Null.l If OpenWindow(0, 0, 0, 120, 100, "ButtonImage", #PB_Window_SystemMenu | #PB_Window_ScreenCentered) ButtonGadget(0,10,10,100,20,"Button",0) ButtonGadget(1,10,50,100,20,"Button",0) SetWindowTheme_(GadgetID(0),@Null,@Null) SetWindowLongPtr_(GadgetID(0),#GWL_STYLE,GetWindowLongPtr_(GadgetID(0),#GWL_STYLE)|#BS_FLAT) Repeat : Until WaitWindowEvent() = #PB_Event_CloseWindow EndIf