ZTuple ZDragClip_Win_DataObject::sAsTuple(IDataObject* iIDataObject)
{
ZTuple theTuple;
ZDragClip_Win_DataObject* theDataObject;
if (SUCCEEDED(iIDataObject->QueryInterface(ZDragClip_Win_DataObject::sIID, (void**)&theDataObject)))
{
theTuple = *theDataObject->GetTuple();
theDataObject->Release();
}
else
{
vector<FORMATETC> filteredVector;
::sFilterNonHGLOBAL(iIDataObject, filteredVector);
for (vector<FORMATETC>::const_iterator i = filteredVector.begin();i != filteredVector.end(); ++i)
{
bool isString;
string thePropertyName;
if (ZDragClipManager::sGet()->LookupCLIPFORMAT((*i).cfFormat, thePropertyName, isString))
{
ZAssertStop(1, !thePropertyName.empty());
FORMATETC theFORMATETC = *i;
STGMEDIUM theSTGMEDIUM;
HRESULT theHRESULT = iIDataObject->GetData(&theFORMATETC, &theSTGMEDIUM);
if (SUCCEEDED(theHRESULT))
{
if (theSTGMEDIUM.tymed & TYMED_HGLOBAL)
{
void* globalPtr = ::GlobalLock(theSTGMEDIUM.hGlobal);
// Special case text, to find and ignore the zero terminator, and to store a string.
if (theFORMATETC.cfFormat == CF_TEXT)
theTuple.SetString(thePropertyName, string(reinterpret_cast<char*>(globalPtr)));
else
theTuple.SetRaw(thePropertyName, globalPtr, ::GlobalSize(theSTGMEDIUM.hGlobal));
::GlobalUnlock(theSTGMEDIUM.hGlobal);
}
::ReleaseStgMedium(&theSTGMEDIUM);
}
}
}
}
return theTuple;
}
