private static HybridDictionary GetSoftName(){ string strSoftName = string.Empty; HybridDictionary hdSoftName = new HybridDictionary(); /*對注冊表節點"Software/Microsoft/Windows/CurrentVersion/Uninstall"下的內容進行操作。 RegistryKey Registry 為注冊表操作類*/ using (RegistryKey key = Registry.LocalMachine.OpenSubKey(@"Software/Microsoft/Windows/CurrentVersion/Uninstall", false)) {  if (key != null)  {   foreach (string keyName in key.GetSubKeyNames())   {    using (RegistryKey key2 = key.OpenSubKey(keyName, false))    {     if (key2 != null)     {      string softwareName = Convert.ToString(key2.GetValue("DisplayName"));//獲取DisplayName,如存在值，則系統中安裝有該軟件      //string installLocation = key2.GetValue("InstallLocation", "").ToString();//軟件安裝路徑      if (!string.IsNullOrEmpty(softwareName))      {       if (!hdSoftName.Contains(softwareName))       {        hdSoftName.Add(softwareName, string.Empty);//將軟件名作為集合的key       }      }     }    }   }  } } return hdSoftName;}