/// <summary>
/// Gets the geographical locations.
/// </summary>
/// <returns>The geographical locations.</returns>
public static IEnumerable <GeographicalLocation> GetGeographicalLocations()
{
if (_geographicalLocations.Count == 0)
{
SystemGeographicalLocation.EnumSystemGeoID(SystemGeographicalLocation.GEOCLASS_NATION, 0, _callback);
foreach (var geoId in _geoIds)
{
var location = new GeographicalLocation();
location.Nation = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_NATION, _lcid);
location.Latitude = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_LATITUDE, _lcid);
location.Longitude = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_LONGITUDE, _lcid);
location.ISO2 = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_ISO2, _lcid);
location.ISO3 = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_ISO3, _lcid);
location.Rfc1766 = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_RFC1766, _lcid);
location.Lcid = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_LCID, _lcid);
location.FriendlyName = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_FRIENDLYNAME, _lcid);
location.OfficialName = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_OFFICIALNAME, _lcid);
location.TimeZones = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_TIMEZONES, _lcid);
location.OfficialLanguages = GetGeoInfo(geoId, SystemGeographicalLocation.SYSGEOTYPE.GEO_OFFICIALLANGUAGES, _lcid);
_geographicalLocations.Add(location);
}
}
return(_geographicalLocations);
}
/// <summary>
/// Retrieves information about a specified geographical location.
/// </summary>
/// <param name="location">Identifier for the geographical location for which to get information.</param>
/// <param name="geoType">Type of information to retrieve.</param>
/// <param name="langId">Identifier for the language.</param>
/// <returns>
/// Returns the queried geographical data as a string.
/// </returns>
private static string GetGeoInfo(int location, SystemGeographicalLocation.SYSGEOTYPE geoType, int langId)
{
var geoDataBuilder = new StringBuilder();
int bufferSize = 0;
bufferSize = SystemGeographicalLocation.GetGeoInfo(location, geoType, geoDataBuilder, 0, langId);
if (bufferSize > 0)
{
geoDataBuilder.Capacity = bufferSize;
SystemGeographicalLocation.GetGeoInfo(location, geoType, geoDataBuilder, bufferSize, langId);
}
return(geoDataBuilder.ToString());
}
