STDMETHODIMP COleUILinkInfo::GetLinkSource( DWORD dwLink, LPTSTR* lplpszDisplayName, ULONG* lplenFileName, LPTSTR* lplpszFullLinkType, LPTSTR* lplpszShortLinkType, BOOL* lpfSourceAvailable, BOOL* lpfIsSelected) { COleClientItem* pItem = (COleClientItem*)dwLink; ASSERT_VALID(pItem); ASSERT_KINDOF(COleClientItem, pItem); ASSERT(pItem->GetType() == OT_LINK); // set OUT params to NULL ASSERT(lplpszDisplayName != NULL); *lplpszDisplayName = NULL; if (lplpszFullLinkType != NULL) *lplpszFullLinkType = NULL; if (lplpszShortLinkType != NULL) *lplpszShortLinkType = NULL; if (lplenFileName != NULL) *lplenFileName = 0; if (lpfSourceAvailable != NULL) *lpfSourceAvailable = !pItem->m_bLinkUnavail; // get IOleLink interface LPOLELINK lpOleLink = QUERYINTERFACE(pItem->m_lpObject, IOleLink); ASSERT(lpOleLink != NULL); // get moniker & object information LPMONIKER lpmk; if (lpOleLink->GetSourceMoniker(&lpmk) == S_OK) { if (lplenFileName != NULL) *lplenFileName = _AfxOleGetLenFilePrefixOfMoniker(lpmk); lpmk->Release(); } // attempt to get the type names of the link if (lplpszFullLinkType != NULL) { LPOLESTR lpOleStr = NULL; pItem->m_lpObject->GetUserType(USERCLASSTYPE_FULL, &lpOleStr); *lplpszFullLinkType = TASKSTRINGOLE2T(lpOleStr); if (*lplpszFullLinkType == NULL) { TCHAR szUnknown[256]; VERIFY(AfxLoadString(AFX_IDS_UNKNOWNTYPE, szUnknown) != 0); *lplpszFullLinkType = AfxAllocTaskString(szUnknown); } } if (lplpszShortLinkType != NULL) { LPOLESTR lpOleStr = NULL; pItem->m_lpObject->GetUserType(USERCLASSTYPE_SHORT, &lpOleStr); *lplpszShortLinkType = TASKSTRINGOLE2T(lpOleStr); if (*lplpszShortLinkType == NULL) { TCHAR szUnknown[256]; VERIFY(AfxLoadString(AFX_IDS_UNKNOWNTYPE, szUnknown) != 0); *lplpszShortLinkType = AfxAllocTaskString(szUnknown); } } // get source display name for moniker LPOLESTR lpOleStr = NULL; SCODE sc = lpOleLink->GetSourceDisplayName(&lpOleStr); *lplpszDisplayName = TASKSTRINGOLE2T(lpOleStr); lpOleLink->Release(); if (sc != S_OK) return sc; // see if item is selected if specified if (lpfIsSelected) { *lpfIsSelected = (m_pSelectedItem == pItem); } return S_OK; }
STDMETHODIMP COlePropertiesDialog::XOleUIObjInfo::GetObjectInfo( DWORD dwObject, DWORD* lpdwObjSize, LPTSTR* lplpszLabel, LPTSTR* lplpszType, LPTSTR* lplpszShortType, LPTSTR* lplpszLocation) { COleClientItem* pItem = (COleClientItem*)dwObject; ASSERT_VALID(pItem); BOOL bIsLink = (pItem->GetType() == OT_LINK); if (lpdwObjSize != NULL) { ASSERT(pItem->m_lpStorage != NULL); // try ILockBytes first, then IStorage STATSTG statStg; if ((pItem->m_lpLockBytes == NULL || pItem->m_lpLockBytes->Stat(&statStg, STATFLAG_NONAME) != S_OK) && pItem->m_lpStorage->Stat(&statStg, STATFLAG_NONAME) != S_OK) { *lpdwObjSize = 0xFFFFFFFF; } else { ASSERT(statStg.pwcsName == NULL); if (statStg.cbSize.HighPart > 0) *lpdwObjSize = 0xFFFFFFFE; else if (statStg.cbSize.LowPart == 0) *lpdwObjSize = 0xFFFFFFFF; else *lpdwObjSize = statStg.cbSize.LowPart; } } if (lplpszLabel != NULL) { TCHAR szFormatLink[128]; AfxLoadString(AFX_IDS_PASTELINKEDTYPE, szFormatLink, _countof(szFormatLink)); TCHAR szFormatObj[] = _T("%s"); LPTSTR lpszFormat = bIsLink ? szFormatLink : szFormatObj; CString strType; pItem->GetUserType(USERCLASSTYPE_FULL, strType); CString strResult; strResult.Format(lpszFormat, (LPCTSTR)strType); *lplpszLabel = AfxAllocTaskString(strResult); } if (lplpszType != NULL) { LPOLESTR lpOleStr; pItem->m_lpObject->GetUserType(USERCLASSTYPE_FULL, &lpOleStr); *lplpszType = TASKSTRINGOLE2T(lpOleStr); } if (lplpszShortType != NULL) { LPOLESTR lpOleStr; pItem->m_lpObject->GetUserType(USERCLASSTYPE_SHORT, &lpOleStr); *lplpszShortType = TASKSTRINGOLE2T(lpOleStr); } if (lplpszLocation != NULL) { if (bIsLink) { LPOLELINK lpOleLink = NULL; pItem->m_lpObject->QueryInterface(IID_IOleLink, (LPVOID*)&lpOleLink); ASSERT(lpOleLink != NULL); LPOLESTR lpOleStr; lpOleLink->GetSourceDisplayName(&lpOleStr); *lplpszLocation = TASKSTRINGOLE2T(lpOleStr); lpOleLink->Release(); } else { CDocument* pDoc = (CDocument*)pItem->GetDocument(); CString strLocation = pDoc->GetPathName(); if (strLocation.IsEmpty()) strLocation = pDoc->GetTitle(); *lplpszLocation = AfxAllocTaskString(strLocation); } } return S_OK; }