2 * DOM CDATA node implementation
4 * Copyright 2007 Alistair Leslie-Hughes
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
32 #include "msxml_private.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
40 typedef struct _domcdata
43 const struct IXMLDOMCDATASectionVtbl *lpVtbl;
47 static inline domcdata *impl_from_IXMLDOMCDATASection( IXMLDOMCDATASection *iface )
49 return (domcdata *)((char*)iface - FIELD_OFFSET(domcdata, lpVtbl));
52 static HRESULT WINAPI domcdata_QueryInterface(
53 IXMLDOMCDATASection *iface,
57 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
58 TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
60 if ( IsEqualGUID( riid, &IID_IXMLDOMCDATASection ) ||
61 IsEqualGUID( riid, &IID_IXMLDOMCharacterData) ||
62 IsEqualGUID( riid, &IID_IXMLDOMNode ) ||
63 IsEqualGUID( riid, &IID_IDispatch ) ||
64 IsEqualGUID( riid, &IID_IUnknown ) )
68 else if ( IsEqualGUID( riid, &IID_IXMLDOMText ) ||
69 IsEqualGUID( riid, &IID_IXMLDOMElement ) )
71 TRACE("Unsupported interface\n");
74 else if(node_query_interface(&This->node, riid, ppvObject))
76 return *ppvObject ? S_OK : E_NOINTERFACE;
80 FIXME("Unsupported interface %s\n", debugstr_guid(riid));
84 IXMLDOMText_AddRef((IUnknown*)*ppvObject);
88 static ULONG WINAPI domcdata_AddRef(
89 IXMLDOMCDATASection *iface )
91 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
92 return InterlockedIncrement( &This->ref );
95 static ULONG WINAPI domcdata_Release(
96 IXMLDOMCDATASection *iface )
98 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
101 ref = InterlockedDecrement( &This->ref );
104 destroy_xmlnode(&This->node);
111 static HRESULT WINAPI domcdata_GetTypeInfoCount(
112 IXMLDOMCDATASection *iface,
115 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
117 TRACE("(%p)->(%p)\n", This, pctinfo);
124 static HRESULT WINAPI domcdata_GetTypeInfo(
125 IXMLDOMCDATASection *iface,
126 UINT iTInfo, LCID lcid,
127 ITypeInfo** ppTInfo )
129 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
132 TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
134 hr = get_typeinfo(IXMLDOMCDATASection_tid, ppTInfo);
139 static HRESULT WINAPI domcdata_GetIDsOfNames(
140 IXMLDOMCDATASection *iface,
141 REFIID riid, LPOLESTR* rgszNames,
142 UINT cNames, LCID lcid, DISPID* rgDispId )
144 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
148 TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
151 if(!rgszNames || cNames == 0 || !rgDispId)
154 hr = get_typeinfo(IXMLDOMCDATASection_tid, &typeinfo);
157 hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
158 ITypeInfo_Release(typeinfo);
164 static HRESULT WINAPI domcdata_Invoke(
165 IXMLDOMCDATASection *iface,
166 DISPID dispIdMember, REFIID riid, LCID lcid,
167 WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
168 EXCEPINFO* pExcepInfo, UINT* puArgErr )
170 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
174 TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
175 lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
177 hr = get_typeinfo(IXMLDOMCDATASection_tid, &typeinfo);
180 hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
181 pVarResult, pExcepInfo, puArgErr);
182 ITypeInfo_Release(typeinfo);
188 static HRESULT WINAPI domcdata_get_nodeName(
189 IXMLDOMCDATASection *iface,
192 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
194 static const WCHAR cdata_sectionW[] =
195 {'#','c','d','a','t','a','-','s','e','c','t','i','o','n',0};
197 TRACE("(%p)->(%p)\n", This, p);
199 return return_bstr(cdata_sectionW, p);
202 static HRESULT WINAPI domcdata_get_nodeValue(
203 IXMLDOMCDATASection *iface,
206 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
208 TRACE("(%p)->(%p)\n", This, value);
210 return node_get_content(&This->node, value);
213 static HRESULT WINAPI domcdata_put_nodeValue(
214 IXMLDOMCDATASection *iface,
217 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
218 return IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
221 static HRESULT WINAPI domcdata_get_nodeType(
222 IXMLDOMCDATASection *iface,
223 DOMNodeType* domNodeType )
225 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
226 return IXMLDOMNode_get_nodeType( IXMLDOMNode_from_impl(&This->node), domNodeType );
229 static HRESULT WINAPI domcdata_get_parentNode(
230 IXMLDOMCDATASection *iface,
231 IXMLDOMNode** parent )
233 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
234 return IXMLDOMNode_get_parentNode( IXMLDOMNode_from_impl(&This->node), parent );
237 static HRESULT WINAPI domcdata_get_childNodes(
238 IXMLDOMCDATASection *iface,
239 IXMLDOMNodeList** outList)
241 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
242 return IXMLDOMNode_get_childNodes( IXMLDOMNode_from_impl(&This->node), outList );
245 static HRESULT WINAPI domcdata_get_firstChild(
246 IXMLDOMCDATASection *iface,
247 IXMLDOMNode** domNode)
249 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
250 return IXMLDOMNode_get_firstChild( IXMLDOMNode_from_impl(&This->node), domNode );
253 static HRESULT WINAPI domcdata_get_lastChild(
254 IXMLDOMCDATASection *iface,
255 IXMLDOMNode** domNode)
257 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
258 return IXMLDOMNode_get_lastChild( IXMLDOMNode_from_impl(&This->node), domNode );
261 static HRESULT WINAPI domcdata_get_previousSibling(
262 IXMLDOMCDATASection *iface,
263 IXMLDOMNode** domNode)
265 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
266 return IXMLDOMNode_get_previousSibling( IXMLDOMNode_from_impl(&This->node), domNode );
269 static HRESULT WINAPI domcdata_get_nextSibling(
270 IXMLDOMCDATASection *iface,
271 IXMLDOMNode** domNode)
273 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
274 return IXMLDOMNode_get_nextSibling( IXMLDOMNode_from_impl(&This->node), domNode );
277 static HRESULT WINAPI domcdata_get_attributes(
278 IXMLDOMCDATASection *iface,
279 IXMLDOMNamedNodeMap** attributeMap)
281 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
282 return IXMLDOMNode_get_attributes( IXMLDOMNode_from_impl(&This->node), attributeMap );
285 static HRESULT WINAPI domcdata_insertBefore(
286 IXMLDOMCDATASection *iface,
287 IXMLDOMNode* newNode, VARIANT var1,
288 IXMLDOMNode** outOldNode)
290 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
291 return IXMLDOMNode_insertBefore( IXMLDOMNode_from_impl(&This->node), newNode, var1, outOldNode );
294 static HRESULT WINAPI domcdata_replaceChild(
295 IXMLDOMCDATASection *iface,
296 IXMLDOMNode* newNode,
297 IXMLDOMNode* oldNode,
298 IXMLDOMNode** outOldNode)
300 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
301 return IXMLDOMNode_replaceChild( IXMLDOMNode_from_impl(&This->node), newNode, oldNode, outOldNode );
304 static HRESULT WINAPI domcdata_removeChild(
305 IXMLDOMCDATASection *iface,
306 IXMLDOMNode* domNode, IXMLDOMNode** oldNode)
308 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
309 return IXMLDOMNode_removeChild( IXMLDOMNode_from_impl(&This->node), domNode, oldNode );
312 static HRESULT WINAPI domcdata_appendChild(
313 IXMLDOMCDATASection *iface,
314 IXMLDOMNode* newNode, IXMLDOMNode** outNewNode)
316 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
317 return IXMLDOMNode_appendChild( IXMLDOMNode_from_impl(&This->node), newNode, outNewNode );
320 static HRESULT WINAPI domcdata_hasChildNodes(
321 IXMLDOMCDATASection *iface,
324 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
325 return IXMLDOMNode_hasChildNodes( IXMLDOMNode_from_impl(&This->node), pbool );
328 static HRESULT WINAPI domcdata_get_ownerDocument(
329 IXMLDOMCDATASection *iface,
330 IXMLDOMDocument** domDocument)
332 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
333 return IXMLDOMNode_get_ownerDocument( IXMLDOMNode_from_impl(&This->node), domDocument );
336 static HRESULT WINAPI domcdata_cloneNode(
337 IXMLDOMCDATASection *iface,
338 VARIANT_BOOL pbool, IXMLDOMNode** outNode)
340 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
341 return IXMLDOMNode_cloneNode( IXMLDOMNode_from_impl(&This->node), pbool, outNode );
344 static HRESULT WINAPI domcdata_get_nodeTypeString(
345 IXMLDOMCDATASection *iface,
348 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
349 return IXMLDOMNode_get_nodeTypeString( IXMLDOMNode_from_impl(&This->node), p );
352 static HRESULT WINAPI domcdata_get_text(
353 IXMLDOMCDATASection *iface,
356 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
357 return IXMLDOMNode_get_text( IXMLDOMNode_from_impl(&This->node), p );
360 static HRESULT WINAPI domcdata_put_text(
361 IXMLDOMCDATASection *iface,
364 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
365 return IXMLDOMNode_put_text( IXMLDOMNode_from_impl(&This->node), p );
368 static HRESULT WINAPI domcdata_get_specified(
369 IXMLDOMCDATASection *iface,
372 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
373 return IXMLDOMNode_get_specified( IXMLDOMNode_from_impl(&This->node), pbool );
376 static HRESULT WINAPI domcdata_get_definition(
377 IXMLDOMCDATASection *iface,
378 IXMLDOMNode** domNode)
380 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
381 return IXMLDOMNode_get_definition( IXMLDOMNode_from_impl(&This->node), domNode );
384 static HRESULT WINAPI domcdata_get_nodeTypedValue(
385 IXMLDOMCDATASection *iface,
388 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
389 return IXMLDOMNode_get_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
392 static HRESULT WINAPI domcdata_put_nodeTypedValue(
393 IXMLDOMCDATASection *iface,
396 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
397 return IXMLDOMNode_put_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
400 static HRESULT WINAPI domcdata_get_dataType(
401 IXMLDOMCDATASection *iface,
404 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
405 return IXMLDOMNode_get_dataType( IXMLDOMNode_from_impl(&This->node), var1 );
408 static HRESULT WINAPI domcdata_put_dataType(
409 IXMLDOMCDATASection *iface,
412 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
413 return IXMLDOMNode_put_dataType( IXMLDOMNode_from_impl(&This->node), p );
416 static HRESULT WINAPI domcdata_get_xml(
417 IXMLDOMCDATASection *iface,
420 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
421 return IXMLDOMNode_get_xml( IXMLDOMNode_from_impl(&This->node), p );
424 static HRESULT WINAPI domcdata_transformNode(
425 IXMLDOMCDATASection *iface,
426 IXMLDOMNode* domNode, BSTR* p)
428 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
429 return IXMLDOMNode_transformNode( IXMLDOMNode_from_impl(&This->node), domNode, p );
432 static HRESULT WINAPI domcdata_selectNodes(
433 IXMLDOMCDATASection *iface,
434 BSTR p, IXMLDOMNodeList** outList)
436 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
437 return IXMLDOMNode_selectNodes( IXMLDOMNode_from_impl(&This->node), p, outList );
440 static HRESULT WINAPI domcdata_selectSingleNode(
441 IXMLDOMCDATASection *iface,
442 BSTR p, IXMLDOMNode** outNode)
444 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
445 return IXMLDOMNode_selectSingleNode( IXMLDOMNode_from_impl(&This->node), p, outNode );
448 static HRESULT WINAPI domcdata_get_parsed(
449 IXMLDOMCDATASection *iface,
452 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
453 return IXMLDOMNode_get_parsed( IXMLDOMNode_from_impl(&This->node), pbool );
456 static HRESULT WINAPI domcdata_get_namespaceURI(
457 IXMLDOMCDATASection *iface,
460 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
461 return IXMLDOMNode_get_namespaceURI( IXMLDOMNode_from_impl(&This->node), p );
464 static HRESULT WINAPI domcdata_get_prefix(
465 IXMLDOMCDATASection *iface,
468 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
469 return IXMLDOMNode_get_prefix( IXMLDOMNode_from_impl(&This->node), p );
472 static HRESULT WINAPI domcdata_get_baseName(
473 IXMLDOMCDATASection *iface,
476 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
477 return IXMLDOMNode_get_baseName( IXMLDOMNode_from_impl(&This->node), p );
480 static HRESULT WINAPI domcdata_transformNodeToObject(
481 IXMLDOMCDATASection *iface,
482 IXMLDOMNode* domNode, VARIANT var1)
484 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
485 return IXMLDOMNode_transformNodeToObject( IXMLDOMNode_from_impl(&This->node), domNode, var1 );
488 static HRESULT WINAPI domcdata_get_data(
489 IXMLDOMCDATASection *iface,
498 hr = IXMLDOMCDATASection_get_nodeValue( iface, &vRet );
507 static HRESULT WINAPI domcdata_put_data(
508 IXMLDOMCDATASection *iface,
511 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
514 TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
516 V_VT(&val) = VT_BSTR;
519 return IXMLDOMCDATASection_put_nodeValue( iface, val );
522 static HRESULT WINAPI domcdata_get_length(
523 IXMLDOMCDATASection *iface,
526 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
530 TRACE("(%p)->(%p)\n", This, len);
535 hr = IXMLDOMCDATASection_get_data(iface, &data);
538 *len = SysStringLen(data);
545 static HRESULT WINAPI domcdata_substringData(
546 IXMLDOMCDATASection *iface,
547 LONG offset, LONG count, BSTR *p)
549 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
553 TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
559 if(offset < 0 || count < 0)
565 hr = IXMLDOMCDATASection_get_data(iface, &data);
568 LONG len = SysStringLen(data);
572 if(offset + count > len)
573 *p = SysAllocString(&data[offset]);
575 *p = SysAllocStringLen(&data[offset], count);
586 static HRESULT WINAPI domcdata_appendData(
587 IXMLDOMCDATASection *iface,
590 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
595 TRACE("(%p)->(%s)\n", This, debugstr_w(p));
597 /* Nothing to do if NULL or an Empty string passed in. */
598 if((p_len = SysStringLen(p)) == 0) return S_OK;
600 hr = IXMLDOMCDATASection_get_data(iface, &data);
603 LONG len = SysStringLen(data);
604 BSTR str = SysAllocStringLen(NULL, p_len + len);
606 memcpy(str, data, len*sizeof(WCHAR));
607 memcpy(&str[len], p, p_len*sizeof(WCHAR));
610 hr = IXMLDOMCDATASection_put_data(iface, str);
619 static HRESULT WINAPI domcdata_insertData(
620 IXMLDOMCDATASection *iface,
623 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
628 TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
630 /* If have a NULL or empty string, don't do anything. */
631 if((p_len = SysStringLen(p)) == 0)
639 hr = IXMLDOMCDATASection_get_data(iface, &data);
642 LONG len = SysStringLen(data);
651 str = SysAllocStringLen(NULL, len + p_len);
652 /* start part, supplied string and end part */
653 memcpy(str, data, offset*sizeof(WCHAR));
654 memcpy(&str[offset], p, p_len*sizeof(WCHAR));
655 memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
658 hr = IXMLDOMCDATASection_put_data(iface, str);
667 static HRESULT WINAPI domcdata_deleteData(
668 IXMLDOMCDATASection *iface,
669 LONG offset, LONG count)
671 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
676 TRACE("(%p)->(%d %d)\n", This, offset, count);
678 hr = IXMLDOMCDATASection_get_length(iface, &len);
679 if(hr != S_OK) return hr;
681 if((offset < 0) || (offset > len) || (count < 0))
684 if(len == 0) return S_OK;
686 /* cutting start or end */
687 if((offset == 0) || ((count + offset) >= len))
690 IXMLDOMCDATASection_substringData(iface, count, len - count, &str);
692 IXMLDOMCDATASection_substringData(iface, 0, offset, &str);
693 hr = IXMLDOMCDATASection_put_data(iface, str);
696 /* cutting from the inside */
700 IXMLDOMCDATASection_substringData(iface, 0, offset, &str);
701 IXMLDOMCDATASection_substringData(iface, offset + count, len - count, &str_end);
703 hr = IXMLDOMCDATASection_put_data(iface, str);
705 hr = IXMLDOMCDATASection_appendData(iface, str_end);
707 SysFreeString(str_end);
715 static HRESULT WINAPI domcdata_replaceData(
716 IXMLDOMCDATASection *iface,
717 LONG offset, LONG count, BSTR p)
719 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
722 TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
724 hr = IXMLDOMCDATASection_deleteData(iface, offset, count);
727 hr = IXMLDOMCDATASection_insertData(iface, offset, p);
732 static HRESULT WINAPI domcdata_splitText(
733 IXMLDOMCDATASection *iface,
734 LONG offset, IXMLDOMText **txtNode)
736 domcdata *This = impl_from_IXMLDOMCDATASection( iface );
737 IXMLDOMDocument *doc;
741 TRACE("(%p)->(%d %p)\n", This, offset, txtNode);
743 if (!txtNode || offset < 0) return E_INVALIDARG;
747 IXMLDOMCDATASection_get_length(iface, &length);
749 if (offset > length) return E_INVALIDARG;
750 if (offset == length) return S_FALSE;
752 hr = IXMLDOMCDATASection_get_ownerDocument(iface, &doc);
757 hr = IXMLDOMCDATASection_substringData(iface, offset, length - offset, &data);
760 hr = IXMLDOMDocument_createTextNode(doc, data, txtNode);
765 hr = IXMLDOMCDATASection_get_parentNode(iface, &parent);
768 IXMLDOMCDATASection_deleteData(iface, 0, offset);
769 hr = IXMLDOMNode_appendChild(parent, (IXMLDOMNode*)*txtNode, NULL);
774 IXMLDOMDocument_Release(doc);
780 static const struct IXMLDOMCDATASectionVtbl domcdata_vtbl =
782 domcdata_QueryInterface,
785 domcdata_GetTypeInfoCount,
786 domcdata_GetTypeInfo,
787 domcdata_GetIDsOfNames,
789 domcdata_get_nodeName,
790 domcdata_get_nodeValue,
791 domcdata_put_nodeValue,
792 domcdata_get_nodeType,
793 domcdata_get_parentNode,
794 domcdata_get_childNodes,
795 domcdata_get_firstChild,
796 domcdata_get_lastChild,
797 domcdata_get_previousSibling,
798 domcdata_get_nextSibling,
799 domcdata_get_attributes,
800 domcdata_insertBefore,
801 domcdata_replaceChild,
802 domcdata_removeChild,
803 domcdata_appendChild,
804 domcdata_hasChildNodes,
805 domcdata_get_ownerDocument,
807 domcdata_get_nodeTypeString,
810 domcdata_get_specified,
811 domcdata_get_definition,
812 domcdata_get_nodeTypedValue,
813 domcdata_put_nodeTypedValue,
814 domcdata_get_dataType,
815 domcdata_put_dataType,
817 domcdata_transformNode,
818 domcdata_selectNodes,
819 domcdata_selectSingleNode,
821 domcdata_get_namespaceURI,
823 domcdata_get_baseName,
824 domcdata_transformNodeToObject,
828 domcdata_substringData,
832 domcdata_replaceData,
836 IUnknown* create_cdata( xmlNodePtr text )
840 This = heap_alloc( sizeof *This );
844 This->lpVtbl = &domcdata_vtbl;
847 init_xmlnode(&This->node, text, (IXMLDOMNode*)&This->lpVtbl, NULL);
849 return (IUnknown*) &This->lpVtbl;