content: sub main()
  
    r=CreateObject("roRectangle", 0,0,1920,1080)
    is = {
        port: 3000
    }
    config = {
        nodejs_enabled: true
        inspector_server: is
        brightsign_js_objects_enabled: true
        url: "file:///sd:/index.html"
    }
    h=CreateObject("roHtmlWidget", r, config)
    h.Show()
  
    msgPort = createobject("roMessagePort")
  
    h.setPort(msgPort)
  
    while true
      msg = Wait(0, msgPort)
    end while
  
  end sub