protected override void DisposeOverride(bool disposeManagedResources)
{
lock (_SyncRoot)
{
_IsDisposed = true;
}
if (disposeManagedResources)
{
DisposeLogger();
if (_Compass != null)
{
_Compass.Dispose();
_Compass = null;
}
if (_GeoWatcher != null)
{
_GeoWatcher.Dispose();
_GeoWatcher = null;
}
}
}
void CompassCancel()
{
if (_compass != null)
{
_compass.Stop();
_compass.Dispose();
_compass = null;
}
}
protected override void OnNavigatedFrom(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedFrom(e);
// Ressourcen freigeben
if (compass != null)
{
compass.Stop();
compass.CurrentValueChanged -= compass_CurrentValueChanged;
compass.Dispose();
}
}
public void Stop()
{
if (wtc != null)
{
wtc.Stop();
wtc.Dispose();
}
if (cmp != null)
{
cmp.Stop();
cmp.Dispose();
}
}
public void Dispose()
{
if (this._compass != null)
{
_compass.Calibrate -= CompassCalibrate;
_compass.CurrentValueChanged -= CompassCurrentValueChanged;
_compass.Stop();
_compass.Dispose();
_compass = null;
}
Dispose(true);
GC.SuppressFinalize(this);
}
public string ReturnHeading()
{
if (!Compass.IsSupported)
{
throw new Exception("Could not load Compass");
}
if (_compass == null)
{
_compass = new Compass();
_compass.TimeBetweenUpdates = TimeSpan.FromMilliseconds(100);
_compass.CurrentValueChanged += new EventHandler <SensorReadingEventArgs <CompassReading> >(_compass_CurrentValueChanged);
try
{
_compass.Start();
}
catch (InvalidOperationException e)
{
if (_compass != null)
{
_compass.Dispose();
_compass = null;
}
throw new Exception("Could not initiate compass readings", e);
}
}
string trueHeading = null;
if (_compass != null)
{
// block on the search until the async result return
lock (_locker)
{
while (_trueHeading == null)
{
Monitor.Pulse(_locker);
}
trueHeading = _trueHeading;
_trueHeading = null;
}
}
return(trueHeading);
}
public string ReturnHeading()
{
if (!Compass.IsSupported)
{
throw new Exception("Could not load Compass");
}
if (_compass == null)
{
_compass = new Compass();
_compass.TimeBetweenUpdates = TimeSpan.FromMilliseconds(100);
_compass.CurrentValueChanged += new EventHandler<SensorReadingEventArgs<CompassReading>>(_compass_CurrentValueChanged);
try
{
_compass.Start();
}
catch (InvalidOperationException e)
{
if (_compass != null)
{
_compass.Dispose();
_compass = null;
}
throw new Exception("Could not initiate compass readings", e);
}
}
string trueHeading = null;
if (_compass != null)
{
// block on the search until the async result return
lock (_locker)
{
while (_trueHeading == null)
{
Monitor.Pulse(_locker);
}
trueHeading = _trueHeading;
_trueHeading = null;
}
}
return trueHeading;
}
