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;
}
