fCraft.PlayerOpException.CheckRankChangeReason C# (CSharp) Method

        internal static void CheckRankChangeReason( [CanBeNull] string reason, [NotNull] Player player, PlayerInfo targetInfo, bool promoting )
        {
            if ( player == null )
                throw new ArgumentNullException( "player" );
            if ( ConfigKey.RequireRankChangeReason.Enabled() && String.IsNullOrEmpty( reason ) ) {
                string msg;
                if ( promoting ) {
                    msg = "Please specify a promotion reason.";
                } else {
                    msg = "Please specify a demotion reason.";
                }
                string colorMsg = "&S" + msg;
                throw new PlayerOpException( player, targetInfo, PlayerOpExceptionCode.ReasonRequired, msg, colorMsg );
            }
        }