A WIX web setup

#region Using directives
using System;
using System.Collections.Generic;
using System.Text; 
#endregion

namespace Djans.ComponentWriter
{
    /// <summary>
    /// Starts the ComponentWriter from command line
    /// </summary>
    class Program
    {
        public static void Main(string[] args)
        {
            // Invalid no of arguments
            if (args.Length == 0)
            {                
                DisplayHelp();
                return;
            }

            // Help
            if ((args.Length == 1)
                && ((args[0] == "/?") 
                || (args[0] == "?") 
                || (args[0] == "-?")
                || (args[0] == "help")))
            {
                DisplayHelp();
                return;
            }

            // Invalid no of arguments
            if (args.Length != 3)
            {
                Console.WriteLine(string.Format("Error: Invalid no of arguments given."));
                DisplayHelp();
                return;
            }

            try
            {
                // Get the config from the command line
                ComponentWriterConfig config = new ComponentWriterConfig();
                config.SourceDirectory = args[0];
                config.OutputFile = args[1];
                config.UgradeFile = args[2];

                // Do the actual writing
                ComponentWriter componentWriter = new ComponentWriter();
                if (componentWriter.Write(config))
                {
                    Console.WriteLine("Files written successfully.");
                }
                else
                {
                    Console.WriteLine("Error: Could not write file. ComponentWriter Failed.");
                }
            }
            catch 
            {
                Console.WriteLine(string.Format("Error: Improper arguments given."));
                DisplayHelp();
                return;
            }
        }

        /// <summary>
        /// Displays Help
        /// </summary>
        private static void DisplayHelp()
        {
            StringBuilder help = new StringBuilder();
            help.AppendLine(Environment.NewLine + "-- HELP --");
            help.AppendLine(Environment.NewLine + "Description: Writes the files list from the given source directory in WIX format and upgrades the version number.");
            help.AppendLine(Environment.NewLine + "Switches: '?', '/?', '-?', 'help' diplays this help.");
            help.AppendLine("\t '-skip' skips updating the upgrade code.");
            help.AppendLine(Environment.NewLine + "Usage: \n ComponentWriter.exe [SourceDirectory] [OutputFile] [UgradeFile]");
            help.AppendLine("[SourceDirectory]: (Mandatory) The complete physical path of the directory where source files are stored.");
            help.AppendLine("                   The source files are those files which will be used for deployment.");
            help.AppendLine("[OutputFile]: (Mandatory) The wix file which lists out the directory structure, the files to be deployed and the feature element.");
            help.AppendLine("[UgradeFile]: (Optional) The wix file which has the upgrade element.");
            help.AppendLine("\t      To skip using upgrade, instead of the file name, provide '-skip' as the argument.");
            help.AppendLine(Environment.NewLine + "Example:");
            help.AppendLine("Write component file and upgrade the version: ");
            help.AppendLine(@"    Djans.ComponentWriter.exe c:\Project\Source c:\Project\WixSetup\Component.wxs c:\Project\WixSetup\WixMain.wxs");
            help.AppendLine("Write component file and do not upgrade the version: ");
            help.AppendLine(@"    Djans.ComponentWriter.exe c:\Project\Source c:\Project\WixSetup\Component.wxs -skip");
            help.AppendLine(Environment.NewLine + "Note: [UgradeFile] updates only first 3 parts, the 4th part is always 0 in the 4 part versioning.");
            Console.WriteLine(help.ToString());
        }
    }
}