Windows 7 Sensor and Location platform: Что это такое?

/// <summary>
/// Represents a generic ambient light sensor
/// </summary>
[SensorDescription( "97F115C8-599A-4153-8894-D2D12899918A" )]
public class AmbientLightSensor : Sensor
{
// ..
// ..
// ..
var sensors = SensorManager.GetSensorsByTypeId<AmbientLightSensor>();

private void Window_Loaded(object sender, RoutedEventArgs e)
{ SensorManager.SensorsChanged += SensorManagerSensorsChanged;
}
void SensorManagerSensorsChanged(SensorsChangedEventArgs change)
{ Dispatcher.Invoke((System.Threading.ThreadStart)(UpdateSensorsList));
}
private void UpdateSensorsList()
{ var sensors = SensorManager.GetSensorsByTypeId<AmbientLightSensor>(); 
foreach (var sensor in sensors) sensor.DataReportChanged += delegate(Sensor sender, EventArgs e) { Dispatcher.Invoke((System.Threading.ThreadStart)(delegate { if (ActiveSensorsListBox.SelectedItem == sender) { CurrentValue.Text = ((AmbientLightSensor)sender).CurrentLuminousIntensity.Intensity.ToString(); } }));
};
}

private void UpdateSensorsList()
{ foreach (var sensor in SensorManager.GetSensorsByTypeId<Accelerometer3D>()) { sensor.DataReportChanged += delegate(Sensor sender, EventArgs e) { Dispatcher.Invoke((System.Threading.ThreadStart)(delegate { if (UseXCoordinate.IsChecked == true) CurrentXValue.Text = ((Accelerometer3D)sender).CurrentAcceleration[Accelerometer3D.AccelerationAxis.X].ToString(); if (UseYCoordinate.IsChecked == true) CurrentYValue.Text = ((Accelerometer3D)sender).CurrentAcceleration[Accelerometer3D.AccelerationAxis.Y].ToString(); if (UseZCoordinate.IsChecked == true) CurrentZValue.Text = ((Accelerometer3D)sender).CurrentAcceleration[Accelerometer3D.AccelerationAxis.Z].ToString(); }));
}; }

}

[SensorDescription("545C8BA5-B143-4545-868F-CA7FD986B4F6")]
public class SwitchArraySensor : Sensor
{ public class SwitchArraySensorData { private static Guid KeyStateProperyId = new Guid(@"38564a7c-f2f2-49bb-9b2b-ba60f66a58df");
 public SwitchArraySensorData(SensorReport report) { uint state = (uint) report.Values[KeyStateProperyId][0]; Button1Pressed = (state & 0x01) != 0; Button2Pressed = (state & 0x02) != 0; Button3Pressed = (state & 0x04) != 0; Button4Pressed = (state & 0x08) != 0; } public bool Button1Pressed { get; private set; } public bool Button2Pressed { get; private set; } public bool Button3Pressed { get; private set; } public bool Button4Pressed { get; private set; } } public SwitchArraySensorData Current { get { return new SwitchArraySensorData(DataReport); } }
 public event EventHandler StateChanged;
 public SwitchArraySensor() { DataReportChanged += SwitchArraySensor_DataReportChanged; } void SwitchArraySensor_DataReportChanged(Sensor sender, EventArgs e) { if (StateChanged != null) { StateChanged.Invoke(sender, e); } }
}

private void Window_Loaded(object sender, RoutedEventArgs e)
{ var sensors = SensorManager.GetSensorsByTypeId<SwitchArraySensor>(); foreach (SwitchArraySensor sensor in sensors) { switch (sensor.FriendlyName) { case "Left Switch Array Sensor": sensor.StateChanged += delegate(object leftSensor, EventArgs arg) { var buttons = ((SwitchArraySensor)leftSensor).Current; SwitchState(LeftButton1, buttons.Button1Pressed); SwitchState(LeftButton2, buttons.Button2Pressed); SwitchState(LeftButton3, buttons.Button3Pressed); SwitchState(LeftButton4, buttons.Button4Pressed); }; break; case "Right Switch Array Sensor": sensor.StateChanged += delegate(object rightSensor, EventArgs arg) { var buttons = ((SwitchArraySensor)rightSensor).Current; SwitchState(RightButton1, buttons.Button1Pressed); SwitchState(RightButton2, buttons.Button2Pressed); SwitchState(RightButton3, buttons.Button3Pressed); SwitchState(RightButton4, buttons.Button4Pressed); }; break; } }
}