public virtual void OnPositionChanged(GeoPositionChangedEventArgs <GeoCoordinate> e)
{
EventHandler <GeoPositionChangedEventArgs <GeoCoordinate> > t = PositionChanged;
if (t != null)
{
t(this, e);
}
}
protected void OnPositionChanged(GeoPositionChangedEventArgs <GeoCoordinate> e)
{
Utility.Trace("GeoCoordinateWatcher.OnPositionChanged: " + e.Position.Location.ToString());
EventHandler <GeoPositionChangedEventArgs <GeoCoordinate> > t = PositionChanged;
if (t != null)
{
t(this, e);
}
}
private void OnInternalLocationChanged(object sender, GeoPositionChangedEventArgs <GeoCoordinate> e)
{
if (e.Position != null)
{
Utility.Trace("GeoCoordinateWatcher.OnInternalLocationChanged: " + e.Position.ToString());
//
// Only fire event when location change exceeds the movement threshold or the coordinate
// is unknown, as in the case of a civic address only report.
//
if ((m_lastCoordinate == GeoCoordinate.Unknown) || (e.Position.Location == GeoCoordinate.Unknown) ||
(e.Position.Location.GetDistanceTo(m_lastCoordinate) >= m_threshold))
{
m_lastCoordinate = e.Position.Location;
PostEvent(OnPositionChanged, new GeoPositionChangedEventArgs <GeoCoordinate>(e.Position));
OnPropertyChanged("Position");
}
}
}
