C++ (Cpp) IDataObject_AddRef Examples

Example #1

File: clipboard.c Project: AlexSteel/wine

static HRESULT WINAPI DataObjectImpl_QueryInterface(IDataObject *iface, REFIID riid, LPVOID *ppvObj)
{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    TRACE("(%p)->(%s)\n", This, debugstr_guid(riid));

    if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IDataObject)) {
        IDataObject_AddRef(iface);
        *ppvObj = This;
        return S_OK;
    }
    *ppvObj = NULL;
    return E_NOINTERFACE;
}

Example #2

File: dragdrop.c Project: mikekap/wine

/** IDataObject stub **/
static HRESULT WINAPI DataObject_QueryInterface(
    IDataObject *iface,
    REFIID riid,
    void **pObj)
{
    if (IsEqualIID(riid, &IID_IUnknown) ||
        IsEqualIID(riid, &IID_IDataObject))
    {
        *pObj = iface;
        IDataObject_AddRef(iface);
        return S_OK;
    }
    return E_NOINTERFACE;
}

Example #3

File: wf_cliprdr.c Project: C4rt/FreeRDP

HRESULT STDMETHODCALLTYPE CliprdrDataObject_QueryInterface(IDataObject* This, REFIID riid, void** ppvObject)
{
	CliprdrDataObject* instance = (CliprdrDataObject*) This;

	if (IsEqualIID(riid, &IID_IDataObject) || IsEqualIID(riid, &IID_IUnknown))
	{
		IDataObject_AddRef(This);
		*ppvObject = This;
		return S_OK;
	}
	else
	{
		*ppvObject = 0;
		return E_NOINTERFACE;
	}
}

Example #4

File: shlview.c Project: sunkeqin/wine-1.7.43

static HRESULT WINAPI IDataObjectImpl_QueryInterface(IDataObject *iface, REFIID riid, void **ppvObj)
{
    IDataObjectImpl *This = impl_from_IDataObject(iface);

    if (IsEqualIID(riid, &IID_IUnknown) ||
        IsEqualIID(riid, &IID_IDataObject))
    {
        *ppvObj = This;
    }

    if(*ppvObj)
    {
        IDataObject_AddRef(iface);
        return S_OK;
    }

    return E_NOINTERFACE;
}

Example #5

File: deskadp.c Project: hoangduit/reactos

HRESULT
IDeskDisplayAdapter_Initialize(PDESKDISPLAYADAPTER This,
                               LPCITEMIDLIST pidlFolder,
                               IDataObject *pdtobj,
                               HKEY hkeyProgID)
{
    DPRINT1("IDeskDisplayAdapter::Initialize(%p,%p,%p)\n", pidlFolder, pdtobj, hkeyProgID);

    if (pdtobj != NULL)
    {
        IDataObject_AddRef(pdtobj);
        This->pdtobj = pdtobj;

        /* Get a copy of the desk.cpl extension interface */
        This->DeskExtInterface = QueryDeskCplExtInterface(This->pdtobj);
        if (This->DeskExtInterface != NULL)
            return S_OK;
    }

    return S_FALSE;
}

Example #6

File: wf_cliprdr.c Project: C4rt/FreeRDP

HRESULT STDMETHODCALLTYPE CliprdrDataObject_GetData(IDataObject* This, FORMATETC* pFormatEtc, STGMEDIUM* pMedium)
{
	int i, idx;
	CliprdrDataObject* instance = (CliprdrDataObject*) This;
	wfClipboard* clipboard = (wfClipboard*) instance->m_pData;

	if (!pFormatEtc || !pMedium)
	{
		return E_INVALIDARG;
	}

	if ((idx = cliprdr_lookup_format(instance, pFormatEtc)) == -1)
	{
		return DV_E_FORMATETC;
	}

	pMedium->tymed = instance->m_pFormatEtc[idx].tymed;
	pMedium->pUnkForRelease = 0;

	if (instance->m_pFormatEtc[idx].cfFormat == clipboard->ID_FILEDESCRIPTORW)
	{
		if (cliprdr_send_data_request(clipboard, instance->m_pFormatEtc[idx].cfFormat) != 0)
			return E_UNEXPECTED;

		pMedium->hGlobal = clipboard->hmem;   /* points to a FILEGROUPDESCRIPTOR structure */

		/* GlobalLock returns a pointer to the first byte of the memory block,
		* in which is a FILEGROUPDESCRIPTOR structure, whose first UINT member
		* is the number of FILEDESCRIPTOR's */
		instance->m_nStreams = *((PUINT) GlobalLock(clipboard->hmem));
		GlobalUnlock(clipboard->hmem);

		if (instance->m_nStreams > 0)
		{
			if (!instance->m_pStream)
			{
				instance->m_pStream = (LPSTREAM*) calloc(instance->m_nStreams, sizeof(LPSTREAM));

				if (instance->m_pStream)
				{
					for (i = 0; i < instance->m_nStreams; i++)
					{
						instance->m_pStream[i] = (IStream*) CliprdrStream_New(i, clipboard);
					}
				}
			}
		}

		if (!instance->m_pStream)
		{
			if (clipboard->hmem)
			{
				GlobalFree(clipboard->hmem);
				clipboard->hmem = NULL;
			}

			pMedium->hGlobal = NULL;

			return E_OUTOFMEMORY;
		}
	}
	else if (instance->m_pFormatEtc[idx].cfFormat == clipboard->ID_FILECONTENTS)
	{
		if (pFormatEtc->lindex < instance->m_nStreams)
		{
			pMedium->pstm = instance->m_pStream[pFormatEtc->lindex];
			IDataObject_AddRef(instance->m_pStream[pFormatEtc->lindex]);
		}
		else
		{
			return E_INVALIDARG;
		}
	}
	else if (instance->m_pFormatEtc[idx].cfFormat == clipboard->ID_PREFERREDDROPEFFECT)
	{
		if (cliprdr_send_data_request(clipboard, instance->m_pFormatEtc[idx].cfFormat) != 0)
			return E_UNEXPECTED;

		pMedium->hGlobal = clipboard->hmem;
	}
	else
	{
		return E_UNEXPECTED;
	}

	return S_OK;
}