content: ' Channel entry point
  sub Main()
      ShowChannelRSGScreen()
  end sub
  
  sub ShowChannelRSGScreen()
      screen = CreateObject("roSGScreen")
      m.port = CreateObject("roMessagePort")
      screen.SetMessagePort(m.port)
      screen.CreateScene("MainScene")
      screen.Show()
  
      ' event loop
      while(true)
          ' waiting for events from screen
          msg = wait(0, m.port)
          msgType = type(msg)
          if msgType = "roSGScreenEvent"
              if msg.IsScreenClosed() then return
          end if
      end while
  end sub
  