// --------------------------------------------------------------------------------------------
STDMETHODIMP CRegOperatPropAct::BeginAction (IProgressIndicator* pIProgInd)
{
#if _TRiAS_VER < 0x0300
m_hPr = 0;
#else
COM_TRY
{
// Zieldatenquelle aus KontextObjekt herausfinden
WPropertyActionSequence wSeq;
WDataObject CtxDO;
CComVariant vData;
m_hPr = 0;
THROW_FAILED_HRESULT (GetSite (IID_IPropertyActionSequence, wSeq.ppv()));
THROW_FAILED_HRESULT (wSeq->GetSequenceContext (CtxDO.ppi()));
if (SUCCEEDED (GetVariantData (CtxDO, &c_feDataSourceHandle, &vData)) &&
SUCCEEDED (vData.ChangeType (VT_I4)))
{
m_hPr = reinterpret_cast<HPROJECT>(V_I4(&vData));
}
}
COM_CATCH;
#endif // _TRiAS_VER < 0x0300
// Zustand des Dialogs retten (für evtl. späteres Save())
m_pRegOperDlg->GetSelectedInfo (&m_caSelInfo, m_bIsDirty);
// Liste für Objekte, die an die PropertyPage übergeben werden, initialisieren
m_InObjs.clear(); // Liste sicher leeren
m_ObjsIter = m_InObjs.begin(); // auf Anfang stellen
return S_OK;
} // BeginAction
STDMETHODIMP CPropertyChoice::GetSequenceContext (IDataObject **ppIData)
{
WPropertyActionSequence Seq;
if (SUCCEEDED(GetSite (IID_IPropertyActionSequence, Seq.ppv())) && Seq.IsValid())
return Seq -> GetSequenceContext (ppIData);
return E_UNEXPECTED;
}
// Erzeugen und initialisieren eines PropertyActionChoice-Objektes, welches die
// vorgegebenen PropertyActions enthält
HRESULT InitPropertyActionChoice (
LPCSTR pcDesc, CALPCLSID *pcaClsIds, IPropertyActionSequence **ppISeq)
{
USES_CONVERSION;
if (NULL == ppISeq) return E_POINTER;
*ppISeq = NULL; // für alle Fälle
WPropertyActionSequence ISeq;
HRESULT hr = E_FAIL;
WStorage IStg;
GetSubPropSeqStorage (IStg.ppi());
if (NULL != (IStorage *)IStg) { // evtl. gespeicherten Status laden
WStream IStm;
string strName = MakeStreamName(pcDesc);
// Stream erzeugen
hr = IStg -> OpenStream (A2OLE(strName.c_str()), NULL,
STGM_READ|STGM_SHARE_EXCLUSIVE, 0L, IStm.ppi());
if (SUCCEEDED(hr)) {
hr = OleLoadFromStream (IStm, IID_IPropertyActionSequence, ISeq.ppv());
if (SUCCEEDED(hr)) {
*ppISeq = ISeq.detach();
return S_OK;
}
}
}
// wenn Status nicht geladen werden kann, dann neu initialisieren
try {
// Objekt erzeugen
ISeq = WPropertyActionSequence (CLSID_PropertyChoice); // throws hr
ISeq -> SetDescription (pcDesc);
// Rücksetzen der AktionsFolge
WPersistStreamInit Init = ISeq; // throws hr
hr = Init -> InitNew();
if (FAILED(hr)) _com_issue_error(hr);
} catch (_com_error& hr) {
return _COM_ERROR(hr);
}
// hinzufügen der einzelnen Aktionen
hr = ISeq -> AddActionsByCLSID (pcaClsIds);
if (FAILED(hr)) return hr;
*ppISeq = ISeq.detach();
return NOERROR;
}
// Laden einer bestimmten PropertySequence
HRESULT LoadPropertySequence (BSTR bstrName, IPropertyActionSequence **ppIPropertyActionSequence)
{
TEST_OUT_PARAM(ppIPropertyActionSequence);
COM_TRY {
WStorage Stg;
if (FAILED(OpenPropSeqStorage (STGM_READ, Stg.ppi())))
return E_FAIL;
CComBSTR bstrStreamName;
WStream Strm;
THROW_FAILED_HRESULT(MakeStreamName(bstrName, bstrStreamName));
if (FAILED(Stg -> OpenStream (bstrStreamName, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, Strm.ppi())))
return E_FAIL;
WPropertyActionSequence Seq;
THROW_FAILED_HRESULT(::OleLoadFromStream (Strm, Seq.GetIID(), Seq.ppv()));
*ppIPropertyActionSequence = Seq.detach();
} COM_CATCH;
return S_OK;
}