public string Execute(string[] args, out bool result)
        {
            CommandMessage msg;

            if (args.Length < 3)
            {
                result = false;
                msg    = new CommandMessage
                {
                    Status  = false,
                    Type    = CommandEnum.OK,
                    Message = @"Ilegal arguments for command"
                };
                return(msg.ToJSONString());
            }
            string msgStr = m_modal.RemoveImage(args[0], args[1], args[2], out result);

            msg = new CommandMessage
            {
                Status  = result,
                Type    = CommandEnum.OK,
                Message = msgStr
            };
            return(msg.ToJSONString());
        }