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API读取注册表某一键值

已有 372 次阅读2012-3-4 02:30 |系统分类:资源宝藏

//参考MSDN
CString CSieveDlg::Getcom(){
   // TODO: Add your control notification handler code here
   #define MY_BUFSIZE 32
   HKEY hKey;
   TCHAR szProductType[MY_BUFSIZE];
   DWORD dwBufLen = MY_BUFSIZE;
   LONG lRet;
   if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,TEXT("Hardware\\DeviceMap\

\SerialComm"),0,KEY_QUERY_VALUE,&hKey) != ERROR_SUCCESS)
       return 0;
   lRet = RegQueryValueEx(hKey,TEXT("\\Device\\ProlificSerial0"),NULL,NULL,(LPBYTE)

szProductType,&dwBufLen);
   RegCloseKey(hKey);
   if(lRet != ERROR_SUCCESS)
       return 0;
   return szProductType;
}