private delegate bool IncreaseProbarHandler(int nIncVal);   //Declare a delegate to increase the progress bar value.

        private IncreaseProbarHandler _IncHanler = null;

        private List<Microsoft.Win32.RegistryKey> _RKeys = new List<Microsoft.Win32.RegistryKey>(); //Store the RegistryKey.

        public MainForm() {

            InitializeComponent();

        }



        private void MainForm_Load(object sender, EventArgs e) {

            new Thread(ProThread).Start();

            RecursiveRegedit(Microsoft.Win32.Registry.CurrentUser);

            //RecursiveRegedit(Microsoft.Win32.Registry.LocalMachine);

            MessageBox.Show("Done!");

        }

        //Recursive scan the registry.

        void RecursiveRegedit(Microsoft.Win32.RegistryKey regBoot) {

            if(regBoot == null) throw new ArgumentNullException("Null Item!");

            string[] vals = regBoot.GetValueNames();

            foreach(var v in vals) {

                if(regBoot.GetValue(v) != null) {

                    string s = regBoot.GetValue(v).ToString();

                    if(s.StartsWith("C:", StringComparison.CurrentCultureIgnoreCase))

                        _RKeys.Add(regBoot);    //Add to 'List'.

                }

            }

            if(regBoot.SubKeyCount <= 0)	//Exit.

                return;

            else {	//Recursive.

                string[] subs = regBoot.GetSubKeyNames();

                foreach(string s in subs) {

                    try {//