DWORD wStrSize = 512; CString strValue; TCHAR *wStr = new TCHAR[wStrSize]; DWORD dwCountOfSubKey; DWORD dwCountOfValue; DWORD dwType; LONG lResult; CRegKey regKey; regKey.Open(HKEY_CURRENT_USER, m_strKey); lResult = ::RegQueryInfoKey(regKey.m_hKey, NULL, NULL, NULL, &dwCountOfSubKey, NULL, NULL, &dwCountOfValue, NULL, NULL, NULL, NULL); if (lResult != ERROR_SUCCESS) return false; for (int i = 0; i < dwCountOfValue; ++i) { wStrSize = 512; //必须要在循环体内重新设置该值,因为wStrSize每次会被RegEnumValue改变,用来接受下一个wStr
//如果不重新设置,你会发现遍历只能进行一两次 lResult = RegEnumValue(regKey.m_hKey, m_dwIndex, wStr, &wStrSize, NULL, &dwType,NULL, NULL); if (lResult != ERROR_SUCCESS) return false; if (wcscmp(wStr, _T("")) == 0) continue; if (FindString(0, wStr) == CB_ERR) AddString(wStr); } delete []wStr; regKey.Close(); return true;