/// <summary>
/// Sets desired report accuracy.
/// The desired accuracy is a global setting that affects all providers.
/// </summary>
public static void SetDesiredAccuracy(Guid reportType, DesiredAccuracy accuracy)
{
if (_location != null)
{
_location.SetDesiredAccuracy(ref reportType, accuracy);
}
}
/// <summary>
/// Gets desired report accuracy.
/// The desired accuracy is a global setting that affects all providers.
/// </summary>
public static DesiredAccuracy GetDesiredAccuracy(Guid reportType)
{
DesiredAccuracy da = DesiredAccuracy.Default;
if (_location != null)
{
_location.GetDesiredAccuracy(ref reportType, out da);
}
return(da);
}
public virtual extern HRESULT SetDesiredAccuracy([In] ref Guid reportType, [In] DesiredAccuracy pStatus);
/// <summary>
/// Thread pool callback used to ensure location COM API is instantiated from
/// multi-thread apartment, and register for location events.
/// </summary>
/// <param name="state"></param>
private void CreateHandler(object state)
{
lock (this.InternalSyncObject)
{
try
{
m_location = new COMLocation();
}
catch (COMException)
{
Utility.Trace("Failed to CoCreate ILocation COM object.");
}
if (null != m_location)
{
Utility.Trace("Done creating ILocation COM object");
//
// Mapping to platform accuracy
//
GeoLocationAccuracy desiredAccuracy = (GeoLocationAccuracy)state;
DesiredAccuracy accuracy = (desiredAccuracy == GeoLocationAccuracy.Low) ?
DesiredAccuracy.DefaultAccuracy : DesiredAccuracy.HighAccuracy;
Guid reportKey = LocationReportKey.LatLongReport;
m_location.SetDesiredAccuracy(ref reportKey, accuracy);
//
// Always listen for latlong reports
//
if (m_location.RegisterForReport(this, ref reportKey, 0) == 0)
{
m_latLongRegistered = true;
}
//
// Check the latlong status. If latlong reports are not supported, then register
// for civic address reports.
//
m_location.GetReportStatus(ref reportKey, ref m_latLongStatus);
if (ReportStatus.NotSupported == m_latLongStatus)
{
reportKey = LocationReportKey.CivicAddressReport;
if (m_location.RegisterForReport(this, ref reportKey, 0) == 0)
{
m_civicAddrRegistered = true;
m_location.GetReportStatus(ref reportKey, ref m_civicAddrStatus);
}
}
//
// set the current status to the available report type status
//
ReportStatus status = (ReportStatus.NotSupported != m_latLongStatus) ? m_latLongStatus : m_civicAddrStatus;
m_curStatus = m_geoStatusMap[(int)status];
}
Utility.DebugAssert(m_eventCreateDone != null, "m_eventCreateDone is null");
ManualResetEvent eventDone = m_eventCreateDone;
if (eventDone != null)
{
eventDone.Set();
}
}
}
/// <summary>
/// Thread pool callback used to ensure location COM API is instantiated from
/// multi-thread apartment, and register for location events.
/// </summary>
/// <param name="state"></param>
private void CreateHandler(object state)
{
lock (this.InternalSyncObject)
{
try
{
m_location = new COMLocation() as ILocation;
}
catch (COMException)
{
Utility.Trace("Failed to CoCreate ILocation COM object.");
}
if (null != m_location)
{
Utility.Trace("Successfully created ILocation COM object");
//
// Mapping to platform accuracy
//
GeoPositionAccuracy desiredAccuracy = (GeoPositionAccuracy)state;
DesiredAccuracy accuracy = (desiredAccuracy == GeoPositionAccuracy.Default) ?
DesiredAccuracy.DefaultAccuracy : DesiredAccuracy.HighAccuracy;
Guid reportKey = LocationReportKey.LatLongReport;
m_location.SetDesiredAccuracy(ref reportKey, accuracy);
//
// Always listen for latlong reports
//
if (m_location.RegisterForReport(this, ref reportKey, 0) == 0)
{
m_latLongRegistered = true;
}
//
// Check the latlong status. If latlong reports are not supported, then register
// for civic address reports.
//
m_location.GetReportStatus(ref reportKey, ref m_latLongStatus);
if (ReportStatus.NotSupported == m_latLongStatus)
{
reportKey = LocationReportKey.CivicAddressReport;
if (m_location.RegisterForReport(this, ref reportKey, 0) == 0)
{
m_civicAddrRegistered = true;
m_location.GetReportStatus(ref reportKey, ref m_civicAddrStatus);
}
}
//
// set the current status to the available report type status
//
ReportStatus status = (ReportStatus.NotSupported != m_latLongStatus) ? m_latLongStatus : m_civicAddrStatus;
m_curStatus = m_geoStatusMap[(int)status];
ChangePermissionFromReportStatus(status);
}
else
{
m_curStatus = GeoPositionStatus.Disabled;
}
}
}
