content: sub ShowStoreScreen()
      m.StoreScreen = CreateObject("roSGNode", "StoreScreen")
      m.top.ComponentController.CallFunc("show", {
          view: m.StoreScreen
      })
  end sub
  
  sub HandleError()
      dialog = CreateObject("roSGNode", "Dialog")
      dialog.title = "Error"
      dialog.message = "No Products"
      m.top.dialog = dialog
  end sub