WPF中弹出界面在不影响状态栏的情况下占满界面

 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     this.Left = 0.0;
     this.Top = 0.0;
     this.Height = SystemParameters.WorkArea.Height;
     this.Width = SystemParameters.WorkArea.Width;////得到屏幕工作区域宽度
 }