wpf中全屏的设置

private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            // 设置全屏    
            videoScreenMediaElement.Play();
            this.WindowState = System.Windows.WindowState.Normal;
            this.WindowStyle = System.Windows.WindowStyle.None;
            this.ResizeMode = System.Windows.ResizeMode.NoResize;
            this.Topmost = true;

            this.Left = 0.0;
            this.Top = 0.0;
            this.Width = System.Windows.SystemParameters.PrimaryScreenWidth;
            this.Height = System.Windows.SystemParameters.PrimaryScreenHeight;
        }