public static WPS_ReturnCode WPSLocation(String realm, String userName,
out Double latitude, out Double longitude)
{
WPS_ReturnCode result = WPS_ReturnCode.WPS_ERROR;
//create and initialize the authentication structure
WPS_SimpleAuthentication authentication = new
WPS_SimpleAuthentication();
authentication.realm = realm;
authentication.username = userName;
//set to no address lookup
WPS_StreetAddressLookup streetAddressLookup =
WPS_StreetAddressLookup.WPS_NO_STREET_ADDRESS_LOOKUP;
//Create location and pointer to it.
WPS_IPLocation location = new WPS_IPLocation();
IntPtr buffer =
Marshal.AllocCoTaskMem(Marshal.SizeOf(location));
Marshal.StructureToPtr(location, buffer, false);
try
{
result = WPS_ip_location(ref authentication,
streetAddressLookup, buffer);
}
catch (Exception)
{ }
finally
{
Marshal.FreeCoTaskMem(buffer);
}
//these are 'out' variables from the custom function. so they need to be set
latitude = 0;
longitude = 0;
if (result == WPS_ReturnCode.WPS_OK)
{
latitude = location.latitude;
longitude = location.longitude;
}
return(result);
}
private static extern WPS_ReturnCode WPS_ip_location(ref
WPS_SimpleAuthentication
authentication, WPS_StreetAddressLookup street_address_lookup,
[Out] IntPtr buffer);
private static extern WPS_ReturnCode WPS_location(
ref WPS_SimpleAuthentication authentication,
WPS_StreetAddressLookup street_address_lookup,
ref WPS_Location location);