Tela de espera para aplicativos Surface(PixelSense)

standby.cs

#region Properties of Class
private readonly DispatcherTimer _activityTimer;
private readonly double minutesInactivity = 3; // 3 minutes
#endregion

#region Inside of Method Constructor or of another local
InputManager.Current.PreProcessInput += OnActivity;
_activityTimer = new DispatcherTimer { Interval = TimeSpan.FromMinutes(minutesInactivity), IsEnabled = true };
_activityTimer.Tick += OnInactivity;
#endregion

#region Inactivity Time
void OnInactivity(object sender, EventArgs e)
{
    // can be call standby mode
}

void OnActivity(object sender, PreProcessInputEventArgs e)
{
    InputEventArgs inputEventArgs = e.StagingItem.Input;

    if (inputEventArgs is TouchEventArgs)
    {
        // can be call normal mode
        
        _activityTimer.Stop();
        _activityTimer.Start();
    }
}
#endregion