static int Main(string[] args)
 {
     using (var app = new QGuiApplication(args))
     {
         using (var engine = new QQmlApplicationEngine())
         {
             Qml.Net.Qml.RegisterType <QmlNetBridge>(uri: "app");
             var content = System.IO.File.ReadAllText(@"mainWindow.qml");
             content = "import app 1.0\n" + content;
             content = content.Replace(@"//<C#>", @"");
             engine.LoadData(content);
             return(app.Exec());
         }
     }
 }