LIB3MFMETHODIMP CCOMModelReader::GetWarning(_In_ DWORD nIndex, _Out_ DWORD * pErrorCode, _Out_opt_ LPWSTR pwszBuffer, _In_ ULONG cbBufferSize, _Out_opt_ ULONG * pcbNeededChars)
{
try {
if (m_pModelReader.get() == nullptr)
throw CNMRException(NMR_ERROR_INVALIDREADEROBJECT);
PModelReaderWarnings pWarnings = m_pModelReader->getWarnings();
if (pWarnings.get() == nullptr)
throw CNMRException(NMR_ERROR_INVALIDPARAM);
PModelReaderWarning pWarning = pWarnings->getWarning(nIndex);
__NMRASSERT(pWarning.get() != nullptr);
if (cbBufferSize > MODEL_MAXSTRINGBUFFERLENGTH)
throw CNMRException(NMR_ERROR_INVALIDBUFFERSIZE);
// Safely call StringToBuffer
nfUint32 nNeededChars = 0;
fnWStringToBufferSafe(pWarning->getMessage(), pwszBuffer, cbBufferSize, &nNeededChars);
// Return length if needed
if (pcbNeededChars != nullptr)
*pcbNeededChars = nNeededChars;
if (pErrorCode == nullptr)
throw CNMRException(NMR_ERROR_INVALIDPOINTER);
*pErrorCode = pWarning->getErrorCode();
return handleSuccess();
}
catch (CNMRException & Exception) {
return handleNMRException(&Exception);
}
catch (...) {
return handleGenericException();
}
}
