Intelligent Command Line Parser

namespace CommandLineParser
{
    using System;

    /// <summary>
    /// Thrown in event of an invalid argument being encountered by the parser.
    /// </summary>
    public class InvalidArgumentException : Exception
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="InvalidArgumentException"/> class.
        /// </summary>
        /// <param name="argument">The argument.</param>
        public InvalidArgumentException(string argument) : base(string.Format("Invalid argument '{0}'", argument)) { }
    }
}