private void CmdShutdownWithFasterStart(object sender, RoutedEventArgs e)
 {
     try
     {
         StartShutDown(StringEnumValue.GetStringValue(ShutdownParameter.ShutdownWithFasterStart));
     }
     catch (Exception)
     {
     }
 }
 private void CmdLogOff(object sender, RoutedEventArgs e)
 {
     try
     {
         StartShutDown(StringEnumValue.GetStringValue(ShutdownParameter.LogOff));
     }
     catch (Exception)
     {
     }
 }