EnableExplicit

If OpenWindow(0,0,0,500,250,"Window",#PB_Window_SystemMenu|#PB_Window_ScreenCentered)
  ProgressBarGadget(1,10,10,480,20,0,100,0)
  
  SendMessage_(GadgetID(1), #PBM_SETRANGE32, 0, 200)
  
  SetGadgetState(1,100)
  
  MessageRequester("","Maximalwert: "+Str(GetGadgetAttribute(1,#PB_ProgressBar_Maximum)),0)
  
Repeat : Until WaitWindowEvent() = #PB_Event_CloseWindow
EndIf