BetterMembership.Web.BetterMembershipProvider.CreateUser C# (CSharp) Метод

        public override MembershipUser CreateUser(
            string username, 
            string password, 
            string email, 
            string passwordQuestion, 
            string passwordAnswer, 
            bool isApproved, 
            object providerUserKey, 
            out MembershipCreateStatus status)
        {
            Condition.Requires(passwordQuestion, "passwordQuestion").IsNullOrWhiteSpace("not supported, expected null");
            Condition.Requires(passwordAnswer, "passwordAnswer").IsNullOrWhiteSpace("not supported, expected null");

            if (!this.ValidateUserName(username))
            {
                status = MembershipCreateStatus.InvalidUserName;
                return null;
            }

            if (!this.ValidatePassword(password, username))
            {
                status = MembershipCreateStatus.InvalidPassword;
                return null;
            }

            if (!this.ValidateProviderUserKey(providerUserKey, true))
            {
                status = MembershipCreateStatus.InvalidProviderUserKey;
                return null;
            }

            if (!this.ValidateEmail(email))
            {
                status = MembershipCreateStatus.InvalidEmail;
                return null;
            }

            var profile = new Dictionary<string, object>();

            if (!this.HasEmailColumnDefined && !string.IsNullOrWhiteSpace(email))
            {
                status = MembershipCreateStatus.ProviderError;
                return null;
            }

            if (this.RequiresUniqueEmail && this.HasEmailColumnDefined && !string.IsNullOrWhiteSpace(email))
            {
                var user = this.GetUserNameByEmail(email);
                if (user != null)
                {
                    status = MembershipCreateStatus.DuplicateEmail;
                    return null;
                }
            }

            if (this.HasEmailColumnDefined)
            {
                profile.Add(this.userEmailColumn, email);
            }

            try
            {
                this.CreateUserAndAccount(username, password, !isApproved, profile);
            }
            catch (MembershipCreateUserException e)
            {
                status = e.StatusCode;
                return null;
            }

            status = MembershipCreateStatus.Success;
            return GetUser(username, false);
        }