Source code generator for any data type

using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;

namespace Xsd2Class
{
    [ComVisible(true)]
    [Guid("0e439c89-b1be-489d-a0f4-c2d191db6f9b")]
    public class Xsd2Class : Microsoft.CustomTool.BaseCodeGeneratorWithSite
    {
        public string GetLanguage()
        {
            string DefaultExtension = GetDefaultExtension();
            switch (DefaultExtension)
            {
                case ".jsl":
                    return "vjs";
                default:
                    return DefaultExtension;
            }
        }

        public override string GetDefaultExtension()
        {
            return base.GetDefaultExtension();
        }

        protected override byte[] GenerateCode(string inputFileName, string inputFileContent)
        {
            GenerateCodeFile(inputFileName);
            byte[] GeneratedFileContent = GetGeneratedFileContent(inputFileName);
            return GeneratedFileContent;
        }

        private byte[] GetGeneratedFileContent(string inputFileName)
        {
            string DefaultExtension = GetDefaultExtension();
            string outputFilename = inputFileName.Replace(".xsd", DefaultExtension);
            FileInfo FI = new FileInfo(outputFilename);
            using (StreamReader FS = FI.OpenText())
            {
                string Contents = FS.ReadToEnd();
                return System.Text.Encoding.ASCII.GetBytes(Contents);
            }
        }

        private void GenerateCodeFile(string inputFileName)
        {
            FileInfo FI = new FileInfo(inputFileName);

            Process proc = new Process();
            proc.StartInfo.FileName = @"C:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\Bin\xsd.exe";
            string Namespace = FI.Name.Substring(0, FI.Name.Length - FI.Extension.Length);
            string Language = GetLanguage();
            proc.StartInfo.Arguments =
                        String.Format(@"/c /l:{0} /n:{1} ""{2}"" /out:""{3}""", Language, Namespace, inputFileName, FI.DirectoryName);
            proc.StartInfo.UseShellExecute = false;
            proc.StartInfo.CreateNoWindow = true;
            proc.StartInfo.RedirectStandardError = true;
            proc.Start();
            proc.WaitForExit();
            if (proc.ExitCode != 0)
            {
                using (StreamReader SR = proc.StandardError)
                {
                    string Errors = SR.ReadToEnd();
                    if (!(string.IsNullOrEmpty(Errors)))
                    {
                        throw new Exception(Errors);
                    }
                }
            }
        }
    }
}