使用Windows API读注册表

//读取文本值bool ReadString(HKEY key, CStringW valueName, CStringW &value){DWORD type;BYTE s[_MAX_PATH]; //#define _MAX_PATH 260 /* max. length of full pathname */DWORD len = _MAX_PATH;if (RegQueryValueEx(key, valueName, 0, &type, s, &len)==ERROR_SUCCESS){value = (TCHAR*)s;return true;}return false;}//读取bool值bool ReadBoolean(HKEY key, CStringW valueName, bool &value){CStringW s;//先读取文本值if (ReadString(key, valueName, s)){//判断其是否为truevalue = (CStringW("true").CompareNoCase(s) == 0);return true;}return false;}//读取DWORD值bool ReadDWORD(HKEY key, CStringW valueName, DWORD &value){DWORD type;DWORD s;DWORD len = sizeof(DWORD);if (RegQueryValueEx(key, valueName, 0, &type, (LPBYTE)&s, &len)==ERROR_SUCCESS){value = s;return true;}return false;}void ReadProps(){HKEY key;//打开键RegOpenKey(HKEY_LOCAL_MACHINE,_T("Software//chain//cpp"), &key);CStringW people;DWORD age;bool IsMale;ReadString (key, _T("people"), people);ReadDWORD (key, _T("age"),age);ReadBoolean(key, _T("IsMale"), IsMale);RegCloseKey(key);_tprintf(_T("用户：%s/r/n年龄：%d/r/n性别：%s/r/n"), people, age, IsMale ? _T("男") : _T("女"));}int main(){setlocale(LC_ALL, "chs");ReadProps();return 0;}