public static List <String> GetCountryListExt()
{
var country = new List <string> ();
var enUs = CultureInfo.GetCultureInfo("en-US");
var additionalCountries = new List <KeyValuePair <int, string> >
{
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Gambia", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Ghana", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfCyprus", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_SierraLeone", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Tanzania", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Zambia", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfMadagascar", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_SolomonIslands", enUs)),
new KeyValuePair <int, string>(2072, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfMoldova", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfMauritius", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_BurkinaFaso", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfMozambique", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfMalawi", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Benin", enUs)),
new KeyValuePair <int, string>(12300, CRMCommonResource.ResourceManager.GetString("Country_IvoryCoast", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Bahamas", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_Andorra", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_BritishVirginIslands", enUs)),
new KeyValuePair <int, string>(9228, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfCongo", enUs)),
new KeyValuePair <int, string>(0, CRMCommonResource.ResourceManager.GetString("Country_RepublicOfCuba", enUs))
}; //https://msdn.microsoft.com/en-us/goglobal/bb964664
var additionalCountriesCodes = additionalCountries.Select(s => s.Key).Where(s => s != 0).ToList();
var standardCountries = Global.GetCountryListBase()
.Where(s => !additionalCountriesCodes.Contains(s.Key)).ToList();
country.AddRange(additionalCountries.Select(s => s.Value).ToList());
country.AddRange(standardCountries.Select(s => s.Value).Distinct().ToList());
country = country.Distinct().OrderBy(c => c).ToList();
return(country);
}