content: sub RunScreenSaver(params as object) as object
      showChannelSGScreen()
  end sub
  sub showChannelSGScreen()
      screen = CreateObject("roSGScreen")
      m.port = CreateObject("roMessagePort")
      screen.setMessagePort(m.port)
      scene = screen.CreateScene("ExpandingLogoScreensaver")
      screen.show()
      scene.animationControlMover = "start"
      scene.animationControlWider = "start"
      scene.animationControlHigher = "start"
  
      while(true)
          msg = wait(2000, m.port)
          if (msg <> invalid)
              msgType = type(msg)
              if msgType = "roSGScreenEvent"
                  if msg.isScreenClosed() then return
              end if
          end if
      end while
  end sub