STDMETHODIMP wxIDataObject::GetDataHere(FORMATETC *pformatetc,
STGMEDIUM *pmedium)
{
wxLogTrace(wxTRACE_OleCalls, wxT("wxIDataObject::GetDataHere"));
// put data in caller provided medium
switch ( pmedium->tymed )
{
case TYMED_GDI:
if ( !m_pDataObject->GetDataHere(wxDF_BITMAP, &pmedium->hBitmap) )
return E_UNEXPECTED;
break;
case TYMED_ENHMF:
if ( !m_pDataObject->GetDataHere(wxDF_ENHMETAFILE,
&pmedium->hEnhMetaFile) )
return E_UNEXPECTED;
break;
case TYMED_MFPICT:
// fall through - we pass METAFILEPICT through HGLOBAL
case TYMED_HGLOBAL:
{
// copy data
HGLOBAL hGlobal = pmedium->hGlobal;
void *pBuf = GlobalLock(hGlobal);
if ( pBuf == NULL ) {
wxLogLastError(wxT("GlobalLock"));
return E_OUTOFMEMORY;
}
wxDataFormat format = pformatetc->cfFormat;
// possibly put the size in the beginning of the buffer
pBuf = m_pDataObject->SetSizeInBuffer
(
pBuf,
::GlobalSize(hGlobal),
format
);
if ( !m_pDataObject->GetDataHere(format, pBuf) )
return E_UNEXPECTED;
GlobalUnlock(hGlobal);
}
break;
default:
return DV_E_TYMED;
}
return S_OK;
}
void CIDataObject::GetDataHere(
const wxDataFormat& rFormat
, char* pzBuffer
, ULONG WXUNUSED(ulLen)
)
{
m_pDataObject->GetDataHere( rFormat
,(void*)pzBuffer
);
} // end of CIDataObject::GetDataHere