IrcDotNet.IrcClient.CheckRegistrationInfo C# (CSharp) Method

        protected void CheckRegistrationInfo(IrcRegistrationInfo registrationInfo, string registrationInfoParamName)
        {
            // Check that given registration info is valid.
            if (registrationInfo is IrcUserRegistrationInfo)
            {
                if (registrationInfo.NickName == null ||
                    ((IrcUserRegistrationInfo) registrationInfo).UserName == null)
                    throw new ArgumentException(Resources.MessageInvalidUserRegistrationInfo,
                        registrationInfoParamName);
            }
            else if (registrationInfo is IrcServiceRegistrationInfo)
            {
                if (registrationInfo.NickName == null ||
                    ((IrcServiceRegistrationInfo) registrationInfo).Description == null)
                    throw new ArgumentException(Resources.MessageInvalidServiceRegistrationInfo,
                        registrationInfoParamName);
            }
            else
            {
                throw new ArgumentException(Resources.MessageInvalidRegistrationInfoObject,
                    registrationInfoParamName);
            }
        }