If OpenWindow(0,0,0,500,250,"Window",#PB_Window_SystemMenu|#PB_Window_ScreenCentered)
  ListIconGadget(1,10,10,480,230,"",400,0)
  For a=1 To 5
    AddGadgetItem(1,-1,"Testitem",0,0)
  Next
  
  SendMessage_(GadgetID(1),#WM_SETFONT,LoadFont(1,"",20,0),1)
Repeat : Until WaitWindowEvent() = #PB_Event_CloseWindow
EndIf