wine/dlls/msxml3/comment.c

790 lines
21 KiB
C

/*
* DOM comment node implementation
*
* Copyright 2006 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "msxml2.h"
#include "msxml_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msxml);
#ifdef HAVE_LIBXML2
typedef struct _domcomment
{
xmlnode node;
const struct IXMLDOMCommentVtbl *lpVtbl;
LONG ref;
} domcomment;
static inline domcomment *impl_from_IXMLDOMComment( IXMLDOMComment *iface )
{
return (domcomment *)((char*)iface - FIELD_OFFSET(domcomment, lpVtbl));
}
static HRESULT WINAPI domcomment_QueryInterface(
IXMLDOMComment *iface,
REFIID riid,
void** ppvObject )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
if ( IsEqualGUID( riid, &IID_IXMLDOMComment ) ||
IsEqualGUID( riid, &IID_IXMLDOMCharacterData) ||
IsEqualGUID( riid, &IID_IDispatch ) ||
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = iface;
}
else if ( IsEqualGUID( riid, &IID_IXMLDOMNode ) )
{
*ppvObject = IXMLDOMNode_from_impl(&This->node);
}
else
{
FIXME("Unsupported interface %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IXMLDOMText_AddRef((IUnknown*)*ppvObject);
return S_OK;
}
static ULONG WINAPI domcomment_AddRef(
IXMLDOMComment *iface )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return InterlockedIncrement( &This->ref );
}
static ULONG WINAPI domcomment_Release(
IXMLDOMComment *iface )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
ULONG ref;
ref = InterlockedDecrement( &This->ref );
if ( ref == 0 )
{
destroy_xmlnode(&This->node);
heap_free( This );
}
return ref;
}
static HRESULT WINAPI domcomment_GetTypeInfoCount(
IXMLDOMComment *iface,
UINT* pctinfo )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
TRACE("(%p)->(%p)\n", This, pctinfo);
*pctinfo = 1;
return S_OK;
}
static HRESULT WINAPI domcomment_GetTypeInfo(
IXMLDOMComment *iface,
UINT iTInfo, LCID lcid,
ITypeInfo** ppTInfo )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
hr = get_typeinfo(IXMLDOMComment_tid, ppTInfo);
return hr;
}
static HRESULT WINAPI domcomment_GetIDsOfNames(
IXMLDOMComment *iface,
REFIID riid, LPOLESTR* rgszNames,
UINT cNames, LCID lcid, DISPID* rgDispId )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
ITypeInfo *typeinfo;
HRESULT hr;
TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
lcid, rgDispId);
if(!rgszNames || cNames == 0 || !rgDispId)
return E_INVALIDARG;
hr = get_typeinfo(IXMLDOMComment_tid, &typeinfo);
if(SUCCEEDED(hr))
{
hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
ITypeInfo_Release(typeinfo);
}
return hr;
}
static HRESULT WINAPI domcomment_Invoke(
IXMLDOMComment *iface,
DISPID dispIdMember, REFIID riid, LCID lcid,
WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult,
EXCEPINFO* pExcepInfo, UINT* puArgErr )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
ITypeInfo *typeinfo;
HRESULT hr;
TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
hr = get_typeinfo(IXMLDOMComment_tid, &typeinfo);
if(SUCCEEDED(hr))
{
hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
pVarResult, pExcepInfo, puArgErr);
ITypeInfo_Release(typeinfo);
}
return hr;
}
static HRESULT WINAPI domcomment_get_nodeName(
IXMLDOMComment *iface,
BSTR* p )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_nodeName( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_get_nodeValue(
IXMLDOMComment *iface,
VARIANT* var1 )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
}
static HRESULT WINAPI domcomment_put_nodeValue(
IXMLDOMComment *iface,
VARIANT var1 )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), var1 );
}
static HRESULT WINAPI domcomment_get_nodeType(
IXMLDOMComment *iface,
DOMNodeType* domNodeType )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_nodeType( IXMLDOMNode_from_impl(&This->node), domNodeType );
}
static HRESULT WINAPI domcomment_get_parentNode(
IXMLDOMComment *iface,
IXMLDOMNode** parent )
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_parentNode( IXMLDOMNode_from_impl(&This->node), parent );
}
static HRESULT WINAPI domcomment_get_childNodes(
IXMLDOMComment *iface,
IXMLDOMNodeList** outList)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_childNodes( IXMLDOMNode_from_impl(&This->node), outList );
}
static HRESULT WINAPI domcomment_get_firstChild(
IXMLDOMComment *iface,
IXMLDOMNode** domNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_firstChild( IXMLDOMNode_from_impl(&This->node), domNode );
}
static HRESULT WINAPI domcomment_get_lastChild(
IXMLDOMComment *iface,
IXMLDOMNode** domNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_lastChild( IXMLDOMNode_from_impl(&This->node), domNode );
}
static HRESULT WINAPI domcomment_get_previousSibling(
IXMLDOMComment *iface,
IXMLDOMNode** domNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_previousSibling( IXMLDOMNode_from_impl(&This->node), domNode );
}
static HRESULT WINAPI domcomment_get_nextSibling(
IXMLDOMComment *iface,
IXMLDOMNode** domNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_nextSibling( IXMLDOMNode_from_impl(&This->node), domNode );
}
static HRESULT WINAPI domcomment_get_attributes(
IXMLDOMComment *iface,
IXMLDOMNamedNodeMap** attributeMap)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_attributes( IXMLDOMNode_from_impl(&This->node), attributeMap );
}
static HRESULT WINAPI domcomment_insertBefore(
IXMLDOMComment *iface,
IXMLDOMNode* newNode, VARIANT var1,
IXMLDOMNode** outOldNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_insertBefore( IXMLDOMNode_from_impl(&This->node), newNode, var1, outOldNode );
}
static HRESULT WINAPI domcomment_replaceChild(
IXMLDOMComment *iface,
IXMLDOMNode* newNode,
IXMLDOMNode* oldNode,
IXMLDOMNode** outOldNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_replaceChild( IXMLDOMNode_from_impl(&This->node), newNode, oldNode, outOldNode );
}
static HRESULT WINAPI domcomment_removeChild(
IXMLDOMComment *iface,
IXMLDOMNode* domNode, IXMLDOMNode** oldNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_removeChild( IXMLDOMNode_from_impl(&This->node), domNode, oldNode );
}
static HRESULT WINAPI domcomment_appendChild(
IXMLDOMComment *iface,
IXMLDOMNode* newNode, IXMLDOMNode** outNewNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_appendChild( IXMLDOMNode_from_impl(&This->node), newNode, outNewNode );
}
static HRESULT WINAPI domcomment_hasChildNodes(
IXMLDOMComment *iface,
VARIANT_BOOL* pbool)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_hasChildNodes( IXMLDOMNode_from_impl(&This->node), pbool );
}
static HRESULT WINAPI domcomment_get_ownerDocument(
IXMLDOMComment *iface,
IXMLDOMDocument** domDocument)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_ownerDocument( IXMLDOMNode_from_impl(&This->node), domDocument );
}
static HRESULT WINAPI domcomment_cloneNode(
IXMLDOMComment *iface,
VARIANT_BOOL pbool, IXMLDOMNode** outNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_cloneNode( IXMLDOMNode_from_impl(&This->node), pbool, outNode );
}
static HRESULT WINAPI domcomment_get_nodeTypeString(
IXMLDOMComment *iface,
BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_nodeTypeString( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_get_text(
IXMLDOMComment *iface,
BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_text( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_put_text(
IXMLDOMComment *iface,
BSTR p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_put_text( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_get_specified(
IXMLDOMComment *iface,
VARIANT_BOOL* pbool)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_specified( IXMLDOMNode_from_impl(&This->node), pbool );
}
static HRESULT WINAPI domcomment_get_definition(
IXMLDOMComment *iface,
IXMLDOMNode** domNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_definition( IXMLDOMNode_from_impl(&This->node), domNode );
}
static HRESULT WINAPI domcomment_get_nodeTypedValue(
IXMLDOMComment *iface,
VARIANT* var1)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
}
static HRESULT WINAPI domcomment_put_nodeTypedValue(
IXMLDOMComment *iface,
VARIANT var1)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_put_nodeTypedValue( IXMLDOMNode_from_impl(&This->node), var1 );
}
static HRESULT WINAPI domcomment_get_dataType(
IXMLDOMComment *iface,
VARIANT* var1)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_dataType( IXMLDOMNode_from_impl(&This->node), var1 );
}
static HRESULT WINAPI domcomment_put_dataType(
IXMLDOMComment *iface,
BSTR p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_put_dataType( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_get_xml(
IXMLDOMComment *iface,
BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_xml( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_transformNode(
IXMLDOMComment *iface,
IXMLDOMNode* domNode, BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_transformNode( IXMLDOMNode_from_impl(&This->node), domNode, p );
}
static HRESULT WINAPI domcomment_selectNodes(
IXMLDOMComment *iface,
BSTR p, IXMLDOMNodeList** outList)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_selectNodes( IXMLDOMNode_from_impl(&This->node), p, outList );
}
static HRESULT WINAPI domcomment_selectSingleNode(
IXMLDOMComment *iface,
BSTR p, IXMLDOMNode** outNode)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_selectSingleNode( IXMLDOMNode_from_impl(&This->node), p, outNode );
}
static HRESULT WINAPI domcomment_get_parsed(
IXMLDOMComment *iface,
VARIANT_BOOL* pbool)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_parsed( IXMLDOMNode_from_impl(&This->node), pbool );
}
static HRESULT WINAPI domcomment_get_namespaceURI(
IXMLDOMComment *iface,
BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_namespaceURI( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_get_prefix(
IXMLDOMComment *iface,
BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_prefix( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_get_baseName(
IXMLDOMComment *iface,
BSTR* p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_get_baseName( IXMLDOMNode_from_impl(&This->node), p );
}
static HRESULT WINAPI domcomment_transformNodeToObject(
IXMLDOMComment *iface,
IXMLDOMNode* domNode, VARIANT var1)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
return IXMLDOMNode_transformNodeToObject( IXMLDOMNode_from_impl(&This->node), domNode, var1 );
}
static HRESULT WINAPI domcomment_get_data(
IXMLDOMComment *iface,
BSTR *p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
VARIANT vRet;
TRACE("(%p)->(%p)\n", This, p);
if(!p)
return E_INVALIDARG;
hr = IXMLDOMNode_get_nodeValue( IXMLDOMNode_from_impl(&This->node), &vRet );
if(hr == S_OK)
{
*p = V_BSTR(&vRet);
}
return hr;
}
static HRESULT WINAPI domcomment_put_data(
IXMLDOMComment *iface,
BSTR data)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
VARIANT val;
TRACE("(%p)->(%s)\n", This, debugstr_w(data) );
V_VT(&val) = VT_BSTR;
V_BSTR(&val) = data;
return IXMLDOMNode_put_nodeValue( IXMLDOMNode_from_impl(&This->node), val );
}
static HRESULT WINAPI domcomment_get_length(
IXMLDOMComment *iface,
LONG *len)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
BSTR data;
TRACE("(%p)->(%p)\n", This, len);
if(!len)
return E_INVALIDARG;
hr = IXMLDOMComment_get_data(iface, &data);
if(hr == S_OK)
{
*len = SysStringLen(data);
SysFreeString(data);
}
return hr;
}
static HRESULT WINAPI domcomment_substringData(
IXMLDOMComment *iface,
LONG offset, LONG count, BSTR *p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
BSTR data;
TRACE("(%p)->(%d %d %p)\n", This, offset, count, p);
if(!p)
return E_INVALIDARG;
*p = NULL;
if(offset < 0 || count < 0)
return E_INVALIDARG;
if(count == 0)
return S_FALSE;
hr = IXMLDOMComment_get_data(iface, &data);
if(hr == S_OK)
{
LONG len = SysStringLen(data);
if(offset < len)
{
if(offset + count > len)
*p = SysAllocString(&data[offset]);
else
*p = SysAllocStringLen(&data[offset], count);
}
else
hr = S_FALSE;
SysFreeString(data);
}
return hr;
}
static HRESULT WINAPI domcomment_appendData(
IXMLDOMComment *iface,
BSTR p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
BSTR data;
LONG p_len;
TRACE("(%p)->(%s)\n", This, debugstr_w(p));
/* Nothing to do if NULL or an Empty string passed in. */
if((p_len = SysStringLen(p)) == 0) return S_OK;
hr = IXMLDOMComment_get_data(iface, &data);
if(hr == S_OK)
{
LONG len = SysStringLen(data);
BSTR str = SysAllocStringLen(NULL, p_len + len);
memcpy(str, data, len*sizeof(WCHAR));
memcpy(&str[len], p, p_len*sizeof(WCHAR));
str[len+p_len] = 0;
hr = IXMLDOMComment_put_data(iface, str);
SysFreeString(str);
SysFreeString(data);
}
return hr;
}
static HRESULT WINAPI domcomment_insertData(
IXMLDOMComment *iface,
LONG offset, BSTR p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
BSTR data;
LONG p_len;
TRACE("(%p)->(%d %s)\n", This, offset, debugstr_w(p));
/* If have a NULL or empty string, don't do anything. */
if((p_len = SysStringLen(p)) == 0)
return S_OK;
if(offset < 0)
{
return E_INVALIDARG;
}
hr = IXMLDOMComment_get_data(iface, &data);
if(hr == S_OK)
{
LONG len = SysStringLen(data);
BSTR str;
if(len < offset)
{
SysFreeString(data);
return E_INVALIDARG;
}
str = SysAllocStringLen(NULL, len + p_len);
/* start part, supplied string and end part */
memcpy(str, data, offset*sizeof(WCHAR));
memcpy(&str[offset], p, p_len*sizeof(WCHAR));
memcpy(&str[offset+p_len], &data[offset], (len-offset)*sizeof(WCHAR));
str[len+p_len] = 0;
hr = IXMLDOMComment_put_data(iface, str);
SysFreeString(str);
SysFreeString(data);
}
return hr;
}
static HRESULT WINAPI domcomment_deleteData(
IXMLDOMComment *iface,
LONG offset, LONG count)
{
HRESULT hr;
LONG len = -1;
BSTR str;
TRACE("(%p)->(%d %d)\n", iface, offset, count);
hr = IXMLDOMComment_get_length(iface, &len);
if(hr != S_OK) return hr;
if((offset < 0) || (offset > len) || (count < 0))
return E_INVALIDARG;
if(len == 0) return S_OK;
/* cutting start or end */
if((offset == 0) || ((count + offset) >= len))
{
if(offset == 0)
IXMLDOMComment_substringData(iface, count, len - count, &str);
else
IXMLDOMComment_substringData(iface, 0, offset, &str);
hr = IXMLDOMComment_put_data(iface, str);
}
else
/* cutting from the inside */
{
BSTR str_end;
IXMLDOMComment_substringData(iface, 0, offset, &str);
IXMLDOMComment_substringData(iface, offset + count, len - count, &str_end);
hr = IXMLDOMComment_put_data(iface, str);
if(hr == S_OK)
hr = IXMLDOMComment_appendData(iface, str_end);
SysFreeString(str_end);
}
SysFreeString(str);
return hr;
}
static HRESULT WINAPI domcomment_replaceData(
IXMLDOMComment *iface,
LONG offset, LONG count, BSTR p)
{
domcomment *This = impl_from_IXMLDOMComment( iface );
HRESULT hr;
TRACE("(%p)->(%d %d %s)\n", This, offset, count, debugstr_w(p));
hr = IXMLDOMComment_deleteData(iface, offset, count);
if (hr == S_OK)
hr = IXMLDOMComment_insertData(iface, offset, p);
return hr;
}
static const struct IXMLDOMCommentVtbl domcomment_vtbl =
{
domcomment_QueryInterface,
domcomment_AddRef,
domcomment_Release,
domcomment_GetTypeInfoCount,
domcomment_GetTypeInfo,
domcomment_GetIDsOfNames,
domcomment_Invoke,
domcomment_get_nodeName,
domcomment_get_nodeValue,
domcomment_put_nodeValue,
domcomment_get_nodeType,
domcomment_get_parentNode,
domcomment_get_childNodes,
domcomment_get_firstChild,
domcomment_get_lastChild,
domcomment_get_previousSibling,
domcomment_get_nextSibling,
domcomment_get_attributes,
domcomment_insertBefore,
domcomment_replaceChild,
domcomment_removeChild,
domcomment_appendChild,
domcomment_hasChildNodes,
domcomment_get_ownerDocument,
domcomment_cloneNode,
domcomment_get_nodeTypeString,
domcomment_get_text,
domcomment_put_text,
domcomment_get_specified,
domcomment_get_definition,
domcomment_get_nodeTypedValue,
domcomment_put_nodeTypedValue,
domcomment_get_dataType,
domcomment_put_dataType,
domcomment_get_xml,
domcomment_transformNode,
domcomment_selectNodes,
domcomment_selectSingleNode,
domcomment_get_parsed,
domcomment_get_namespaceURI,
domcomment_get_prefix,
domcomment_get_baseName,
domcomment_transformNodeToObject,
domcomment_get_data,
domcomment_put_data,
domcomment_get_length,
domcomment_substringData,
domcomment_appendData,
domcomment_insertData,
domcomment_deleteData,
domcomment_replaceData
};
IUnknown* create_comment( xmlNodePtr comment )
{
domcomment *This;
This = heap_alloc( sizeof *This );
if ( !This )
return NULL;
This->lpVtbl = &domcomment_vtbl;
This->ref = 1;
init_xmlnode(&This->node, comment, (IUnknown*)&This->lpVtbl, NULL);
return (IUnknown*) &This->lpVtbl;
}
#endif