获取Divx的版本号（测试中）

HKEY hKey;

TCHAR szProductVersion[128];

DWORD dwBufLen;

LONG lRet;

int iLen = 0;

RegOpenKeyEx( HKEY_LOCAL_MACHINE,

_T("SYSTEM\\CurrentControlSet\\Control\\MediaResources\\icm\\vidc.DIVX"),

0, KEY_QUERY_VALUE, &hKey );

lRet = RegQueryValueEx(hKey,

TEXT("Description"),

NULL,

NULL,

(LPBYTE)szProductVersion,

&dwBufLen);

RegCloseKey(hKey);

CString strVersion;

CString strMsg;

strMsg = _T("Current Divx's Version: ");

strVersion = szProductVersion;

iLen = strVersion.GetLength();

strVersion = strVersion.Mid(5,iLen-11);

strMsg += strVersion;

AfxMessageBox(strMsg);