C++ (Cpp) com_ptr::QueryGetData Exemples

Exemple #1

Fichier : data_object_test.cpp Projet : alamaison/swish

/**
 * Test QueryGetData() enumerator for the presence of CFSTR_SHELLIDLIST
 * but the absence of CFSTR_FILEDESCRIPTOR and CFSTR_FILECONTENTS.
 *
 * Format-limited version of _testQueryFormats() in DataObjectTests.h.
 */
void _testCDataObjectQueryFormats(com_ptr<IDataObject> data_object)
{
    // Test CFSTR_SHELLIDLIST (PIDL array) format succeeds
    CFormatEtc fetcShellIdList(CFSTR_SHELLIDLIST);
    BOOST_REQUIRE_OK(data_object->QueryGetData(&fetcShellIdList));

    // Test CFSTR_FILEDESCRIPTOR (FILEGROUPDESCRIPTOR) format fails
    CFormatEtc fetcDescriptor(CFSTR_FILEDESCRIPTOR);
    BOOST_CHECK(data_object->QueryGetData(&fetcDescriptor) == S_FALSE);

    // Test CFSTR_FILECONTENTS (IStream) format fails
    CFormatEtc fetcContents(CFSTR_FILECONTENTS);
    BOOST_CHECK(data_object->QueryGetData(&fetcContents) == S_FALSE);
}