GetFieldValue
spUTF16.Assign(GetUTF16FromUTF8((str_utf8 *) pAPETagField->GetFieldValue()), TRUE);
spUTF16.Assign(GetUTF16FromANSI(pAPETagField->GetFieldValue()), TRUE);
memcpy(pBuffer, pAPETagField->GetFieldValue(), *pBufferBytes);
const char * GetFieldValue();