public uc_rbfx()
        {
            InitializeComponent();
            try
            {
                //External exe inside WPF Window
                System.Windows.Forms.Panel _pnlSched         = new System.Windows.Forms.Panel();
                WindowsFormsHost           windowsFormsHost1 = new WindowsFormsHost();
                windowsFormsHost1.Child = _pnlSched;
                _Grid.Children.Add(windowsFormsHost1);

#if false
                //_Grid.Children.Add(_pnlSched);

                //ProcessStartInfo psi = new ProcessStartInfo(@"C:\Program Files\Atwin\Atwin2k2.exe");

                //psi.WindowStyle = ProcessWindowStyle.Normal;

                //Process PR = Process.Start(psi);

                //PR.WaitForInputIdle(); // true if the associated process has reached an idle state.

                //System.Threading.Thread.Sleep(3000);

                //IntPtr hwd = PR.MainWindowHandle;
                //SetParent(PR.MainWindowHandle, _pnlSched.Handle);  // loading exe to the wpf window.
#endif
                DemoApplication.Parent = _pnlSched.Handle;

                Loaded += delegate
                {
                    Task.Run(() =>
                    {
                        using (var context = new Context())
                        {
                            using (var application = new DemoApplication(context))
                            {
                                App3d = application;

                                application.Run();
                            }
                        }
                    });
                };
            }
            catch (Exception ex)
            {
                //Nothing...
            }
        }
 public DemoApplication(Context context) : base(context)
 {
     Instance = this;
 }