The value of the parameter must be from -180.0 to 180.0 when getting current geocoordinates in windows phone 8 application -

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here code 

geocoordinatewatcher geowatcher = new geocoordinatewatcher();  geowatcher.start();  geoposition item = new geoposition();  if (double.isnan(geowatcher.position.location.altitude))   item.altitude = 0; else   item.altitude = geowatcher.position.location.altitude;   item.longitude = geowatcher.position.location.longitude;  item.latitude = geowatcher.position.location.latitude;  geowatcher.stop();  geocoordinate=new geocoordinate(item.latitude, item.longitude, item.altitude);

at last line getting following exception.

 type argumentoutofrangeexception  exceptionmessage value of parameter must -180.0 180.0.  parameter name  value

why getting wrong coordinates?

what problem?


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