プロダクト情報の取得

    // プロダクト情報の取得

    // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/msigetproductinfo.asp

    static HRESULT GetProductIndo(LPCTSTR szProductCode, LPCTSTR szProperty, CString& strValue)

    {

        strValue = _T("");

        TCHAR szValue[1024];

        DWORD dwValueLen = sizeof(szValue);

        UINT nr = ::MsiGetProductInfo(szProductCode, szProperty, szValue, &dwValueLen);

        if (nr != ERROR_SUCCESS)

        {

            return E_FAIL;

        }

        strValue = szValue;

        return S_OK;

    }