Define window_0
Define window_0_Text_0, window_0_Button_1
Define clicks, txt$, flags

flags = #PB_Window_SystemMenu | #PB_Window_SizeGadget | #PB_Window_ScreenCentered
window_0 = OpenWindow(#PB_Any, 408, 104, 280, 45, "Simple windowed application", flags)
If window_0
  SmartWindowRefresh(window_0, #True)
  window_0_Text_0 = TextGadget(#PB_Any, 5, 5, 165, 20, "There have been no clicks yet")
  window_0_Button_1 = ButtonGadget(#PB_Any, 190, 10, 85, 30, "Click me")

  Repeat
    Select WaitWindowEvent()
      Case #PB_Event_Gadget
        Select EventGadget()
          Case window_0_Text_0
          Case window_0_Button_1
            clicks + 1
            txt$ = "You Clicked " + Str(clicks) + " time"
            If clicks > 1: txt$ + "s": EndIf
            SetGadgetText(window_0_Text_0, txt$)
        EndSelect
      Case #PB_Event_CloseWindow
        End
    EndSelect
  ForEver
EndIf