// -------------------------------------------------------------------------------------------- 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
// ---------------------------------------------------------------------------- // PropertySequence_refcnt // ---------------------------------------------------------------------------- void PropertySequence_refcnt (ebHTHREAD hThread, int iNumArgs, ebARGS lpArgs) { BASIC_OP_TRACE_SYS(PropertySequence_refcnt); switch (iNumArgs) { case OBJECT_REFNEW: { ebSetObject (lpArgs, 0, NULL); // für alle Fälle try { WPropertyActionSequence PropSeq (CLSID_PropertyActionSequence); // throws hr HPROJECT hPrCtx = reinterpret_cast<HPROJECT>(ebThread_GetLong (hThread, SETLONG_HPROJECT)); // Kontext-Datenquelle ebSetObject (lpArgs, 0, (DWORD)PropSeq.detach()); if (HACTCONNECTION != hPrCtx) { WDataObject CtxDO; CComVariant vData (reinterpret_cast<long>(hPrCtx), VT_I4); THROW_FAILED_HRESULT(PropSeq -> GetSequenceContext (CtxDO.ppi())); THROW_FAILED_HRESULT(SetVariantData (vData, CtxDO, &c_feDataSourceHandle)); } } catch (...) { TRACE("Couldn't instantiate PropertyActionSequence\r\n"); } } break; case OBJECT_REFINC: ((IUnknown *)ebGetObject(lpArgs, 1)) -> AddRef(); break; case OBJECT_REFDEC: ((IUnknown *)ebGetObject(lpArgs, 1)) -> Release(); break; } }
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; }