typedef struct
{
- const IDispatchVtbl *lpVtbl;
+ IDispatch IDispatch_iface;
void * pvThis;
ITypeInfo * pTypeInfo;
LONG ref;
} StdDispatch;
+static inline StdDispatch *impl_from_IDispatch(IDispatch *iface)
+{
+ return CONTAINING_RECORD(iface, StdDispatch, IDispatch_iface);
+}
+
/******************************************************************************
* IDispatch_QueryInterface {OLEAUT32}
*
REFIID riid,
void** ppvObject)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObject);
if (IsEqualIID(riid, &IID_IDispatch) ||
*/
static ULONG WINAPI StdDispatch_AddRef(LPDISPATCH iface)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%u)\n",This, refCount - 1);
*/
static ULONG WINAPI StdDispatch_Release(LPDISPATCH iface)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
*/
static HRESULT WINAPI StdDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
TRACE("(%p)\n", pctinfo);
*pctinfo = This->pTypeInfo ? 1 : 0;
*/
static HRESULT WINAPI StdDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
*ppTInfo = NULL;
*/
static HRESULT WINAPI StdDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
if (!IsEqualGUID(riid, &IID_NULL))
WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
EXCEPINFO * pExcepInfo, UINT * puArgErr)
{
- StdDispatch *This = (StdDispatch *)iface;
+ StdDispatch *This = impl_from_IDispatch(iface);
TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember, debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
if (!IsEqualGUID(riid, &IID_NULL))
pStdDispatch = CoTaskMemAlloc(sizeof(StdDispatch));
if (!pStdDispatch)
- return (IDispatch *)pStdDispatch;
+ return &pStdDispatch->IDispatch_iface;
- pStdDispatch->lpVtbl = &StdDispatch_VTable;
+ pStdDispatch->IDispatch_iface.lpVtbl = &StdDispatch_VTable;
pStdDispatch->pvThis = pvThis;
pStdDispatch->pTypeInfo = pTypeInfo;
pStdDispatch->ref = 1;
* being destroyed until we are done with it */
ITypeInfo_AddRef(pTypeInfo);
- return (IDispatch *)pStdDispatch;
+ return &pStdDispatch->IDispatch_iface;
}