EnableExplicit Define a If OpenWindow(0,0,0,500,250,"Window",#PB_Window_SystemMenu|#PB_Window_ScreenCentered) PanelGadget(1,10,10,480,230) For a=1 To 5 AddGadgetItem(1,-1,"Paneltab "+Str(a),0,0) Next CloseGadgetList() SendMessage_(GadgetID(1),#TCM_DELETEITEM,1,0) Repeat : Until WaitWindowEvent() = #PB_Event_CloseWindow EndIf