在C#.NET 2.0或更高版本中,如何获取Vista PC上所有已安装应用程序的列表

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace GetInstalledApps
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> apps = GetInstalledApplications();
            foreach (string app in apps)
            {
                Console.WriteLine(app);
            }
        }

        public static List<string> GetInstalledApplications()
        {
            List<string> results = new List<string>();
            string registryKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
            Microsoft.Win32.RegistryKey key = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(registryKey);
            if (key != null)
            {
                string[] subKeyNames = key.GetSubKeyNames();
                foreach (string subKeyName in subKeyNames)
                {
                    Microsoft.Win32.RegistryKey subKey = key.OpenSubKey(subKeyName);
                    string displayName = subKey.GetValue("DisplayName") as string;
                    if (!string.IsNullOrEmpty(displayName))
                    {
                        results.Add(displayName);
                    }
                }
            }
            return results;
        }
    }
}