public async Task <ReadOnlyCollection <User> > GetAsync([NotNull] IEnumerable <string> screenNames, ProfileFields fields = null, NameCase nameCase = null)
{
if (screenNames == null)
{
throw new ArgumentNullException("screenNames");
}
var parameters = new VkParameters
{
{ "user_ids", screenNames },
{ "fields", fields },
{ "name_case", nameCase }
};
VkResponseArray response = await _vk.CallAsync("users.get", parameters);
return(response.ToReadOnlyCollectionOf <User>(x => x));
}
