GitUI.FormSettings.SetRegistryValue C# (CSharp) Метод

        protected void SetRegistryValue(RegistryKey root, string subkey, string key, string value)
        {
            try
            {
                string reg;
                value = value.Replace("\\", "\\\\");
                reg = "Windows Registry Editor Version 5.00" + Environment.NewLine + Environment.NewLine + "[" + root.ToString() + "\\" + subkey + "]" + Environment.NewLine + "\"" + key + "\"=\"" + value + "\"";

                TextWriter tw = new StreamWriter(System.IO.Path.GetTempPath() + "GitExtensions.reg", false);
                tw.Write(reg);
                tw.Close();
                GitCommands.GitCommands.RunCmd("regedit", "\"" + System.IO.Path.GetTempPath() + "GitExtensions.reg" + "\"");
            }
            catch (UnauthorizedAccessException)
            {
                MessageBox.Show("GitExtensions has insufficient permisions to modify the registry." + Environment.NewLine + "Please add this key to the registry manually." + Environment.NewLine + "Path:   " + root.ToString() + "\\" + subkey + Environment.NewLine + "Value:  " + key + " = " + value);
            }
        }