public LocationChangedEventArgs(GpsPosition position)
{
this.position = position;
}
public LocationChangedEventArgs(GpsPosition position)
{
this.position = position;
}
public GpsPosition GetPosition(TimeSpan maxAge)
{
GpsPosition gpsPosition = null;
if (Opened) {
IntPtr ptr = Utils.LocalAlloc (Marshal.SizeOf (typeof(GpsPosition)));
gpsPosition = new GpsPosition ();
gpsPosition.dwVersion = 1;
gpsPosition.dwSize = Marshal.SizeOf (typeof(GpsPosition));
Marshal.StructureToPtr (gpsPosition, ptr, false);
int result = GPSGetPosition (gpsHandle, ptr, 500000, 0);
if (result == 0) {
gpsPosition = (GpsPosition)Marshal.PtrToStructure (ptr, typeof(GpsPosition));
if (maxAge != TimeSpan.Zero) {
if (!gpsPosition.TimeValid || DateTime.Now -maxAge > gpsPosition.Time) {
gpsPosition = null;
}
}
}
Utils.LocalFree (ptr);
}
return gpsPosition;
}