Return firefox profile, cache folder locations.

Get Firefox Profile C#

using System;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace ffProfile
{
    class GetProfile
    {
        public enum TCache
        {
            Cache2 = 0,
            JumpListCache,
            StartupCache,
            OfflineCache
        };

        private FileInfo fi = null;

        [DllImport("kernel32")]
        static extern int GetPrivateProfileString(string Section, string Key, string Default, StringBuilder RetVal, int Size, string FilePath);

        private string ReadString(string selection, string Key, string vDefault = "")
        {
            StringBuilder sb = new StringBuilder(256);
            //Get ini file.
            GetPrivateProfileString(selection, Key, vDefault, sb, 256, fi.FullName);
            //Return value.
            return sb.ToString();
        }

        public string Profile()
        {
            //Get firefox main profile folder.
            string basefolder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) +
                @"\Mozilla\Firefox\";
            string ffFolder = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) +
                @"\Mozilla\Firefox\";
            string RetStr = string.Empty;
            fi = new FileInfo(basefolder + "profiles.ini");

            if (fi.Exists)
            {
                //Get profile folder from profile ini file.
                RetStr = ffFolder +
                    ReadString("Profile0", "Path", string.Empty).Replace("/", "\\");
            }
            return RetStr;
        }

        public string GetCache(TCache type)
        {
            //Return firefox cache folder locations.
            string RetStr = string.Empty;

            switch (type)
            {
                case TCache.Cache2:
                    RetStr = Profile() + @"\cache2\entries\";
                    break;
                case TCache.JumpListCache:
                    RetStr = Profile() + @"\jumpListCache\";
                    break;
                case TCache.StartupCache:
                    RetStr = Profile() + @"\startupCache\";
                    break;
                case TCache.OfflineCache:
                    RetStr = Profile() + @"\OfflineCache\";
                    break;
            }
            //Return
            return RetStr;
        }
    }
}