C# 存取 Windows 注册表

using System;
using Microsoft.Win32;

namespace TelnetExample {

    /// <summary>
    /// Common example UI functions.
    /// </summary>
    public class Common {

        public Common() {
            //
            // TODO: Add constructor logic here
            //
        }

        /// <summary>
        /// Writes connection settings to registry.
        /// </summary>
        /// <param name="APP_NAME">The application name registry key</param>
        /// <param name="Keyname">The key name to write</param>
        /// <param name="Value">The key value to write</param>
        public static void SaveSampleSetting(string APP_NAME, string Keyname, object Value) {
            try {
                RegistryKey Key = Registry.CurrentUser.CreateSubKey("SOFTWARE").CreateSubKey("JSCAPE").CreateSubKey("Telnet").CreateSubKey(APP_NAME);
                Key.SetValue(Keyname, Value);
            }
            catch {return;}
        }

        /// <summary>
        /// Reads connection settings from registry.
        /// </summary>
        /// <param name="APP_NAME">The application name registry key</param>
        /// <param name="Keyname">The key name to read</param>
        /// <param name="DefVal">The key value to read</param>
        /// <returns>The registry key value, or default value on error.</returns>
        public static object GetSampleSetting(string APP_NAME, string Keyname, object DefVal) {
            try {
                RegistryKey Key = Registry.CurrentUser.CreateSubKey("SOFTWARE").CreateSubKey("JSCAPE").CreateSubKey("Telnet").CreateSubKey(APP_NAME);
                return Key.GetValue(Keyname, DefVal);
            }
            catch {return DefVal;}
        }

    }
}