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µã£º½Å±¾´«¹ýÀ´µÄ¶ÔÏóÊÇIDispatch½Ó¿Ú£¬Ó¦¸ÃÓÃIDispatch::InvokeÀ´µ÷Óá£Èç¹û´«¹ýÀ´µÄÊǸöfunction£¬ÄÇôDISPID
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IDL£º
[propput]HRESULT FirstEvent(VARIANT* pEvent);
.h:
class CCtrl : public ICtrl
{
__stdcall HRESULT
put_FirstEvent(VARIANT* pEvent);
CComQIPtr <IDispatch>
m_spEvent;
void Fire_FirstEvent(VARIANT sType, VARIANT Msg);
}
.cpp:
HRESULT __stdcall CCtrl::put_FirstEvent(VARIANT*
pEvent)
{
assert(pEvent->vt == VT_DISPATCH);
m_spEvent = V_DISPATCH(pEvent);
return S_OK;
}
void
CCtrl::Fire_FirstEvent(VARIANT sType, VARIANT Msg)
{
if
(m_spEvent)
{
CComVariant args[2] = {sType, Msg};
DISPPARAMS dp = {args, NULL, 2, 0};
m_spEvent->Invoke(0,
IID_NULL, LOCALE_USE_DEFAULT, DISPATCH_METHOD, &dp, NULL, NULL,
NULL);
}
}
³É¹¦ÊµÀý:
IDL²¿·Ö:
[propget, id(2), helpstring("ÊôÐÔ OnShowText")]
HRESULT OnShowText([out, retval] IDispatchEx** pVal);
[propput,
id(2), helpstring("ÊôÐÔ OnShowText")] HRESULT OnShowText([in] IDispatchEx*
newVal);
JS²¿·Ö:
function
CreateATL()
{
this
.vv
=
"
ok
"
;
m
=
new
ActiveXObject(
"
ATLPro.AControl
"
);
m.OnShowText
=
function
()
//
OnShowText ÔÚATLÖÐÊÇÒ»¸ö IDispatchEx ¶ÔÏó
{
 
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