读写注册表

content
"/// <summary>
        /**//// 读取注册表键值
        /// </summary>
        public static string ReadRegistryKey(string name)
        {
            Microsoft.Win32.RegistryKey reg = Microsoft.Win32.Registry.CurrentUser;
            string path=""Software\\"" + Application.ProductName;

            if (reg.OpenSubKey(path) == null)
                reg.CreateSubKey(path);

            reg = reg.OpenSubKey(path, true);

            string str;
            if (reg.GetValue(name) == null)
                str="""";
            else
                str = reg.GetValue(name).ToString();

            reg.Close();
            return str;
        }

        /**//// <summary>
        /// 设置注册表键值
        /// </summary>
        public static void SetRegistryKey(string name, string Value)
        {
            Microsoft.Win32.RegistryKey reg = Microsoft.Win32.Registry.CurrentUser;
            string path=""Software\\"" + Application.ProductName;

            if (reg.OpenSubKey(path) == null)
                reg.CreateSubKey(path);

            reg=reg.OpenSubKey(path,true);

            reg.SetValue(name, Value);
            reg.Close();
        }

        /**//// <summary>
        /// 删除注册表键值
        /// </summary>
        public static void DeleteRegistryKey()
        {
            Microsoft.Win32.RegistryKey reg = Microsoft.Win32.Registry.CurrentUser;
            string path=""Software\\"" + Application.ProductName;

//            reg.DeleteSubKeyTree(path);
            reg.DeleteSubKey(path);
            reg.Close();
        }"