content: sub Main()
      screen = CreateObject("roSGScreen")
      m.port = CreateObject("roMessagePort")
      screen.setMessagePort(m.port)
  
      scene = screen.CreateScene("HelloWorld")
      screen.show()
      ' vscode_rdb_on_device_component_entry
  
      while(true)
          msg = wait(100, m.port)
          msgType = type(msg)
          if msgType = "roSGScreenEvent"
              if msg.isScreenClosed() then return
          end if
      end while
  end sub
  