如何获得IE版本

#define KEY_IEXPLORE _T("SOFTWARE//Microsoft//Internet Explorer")int GetIEVersion(){HKEYhKeyIE;int nIEVer = 0;if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, KEY_IEXPLORE, 0, KEY_READ, &hKeyIE)) {DWORD dwType = REG_SZ;DWORD dwSize = MAX_PATH * sizeof( TCHAR );TCHARszvalue[MAX_PATH] = {0};if(ERROR_SUCCESS == RegQueryValueEx(hKeyIE, _T("Version"), NULL, &dwType, (LPBYTE)szvalue, &dwSize)){nIEVer = szvalue[0]-_T('0');}RegCloseKey(hKeyIE);}return nIEVer;}