//math.h
////
math.h
////
access to the global variables
extern
dword g_dwobjs;
extern
dword g_dwlocks;
const
intdispid_add =1
;const
intdispid_subtract =2
;const
intdispid_multiply =3
;const
intdispid_divide =4
;class
math :
public
imath
// 而對於idispatch介面 class
math :
public
idispatch
;class
mathclassfactory :
public
iclassfactory;
//
math.cpp
////
math.cpp
////
#include
<
windows.h
>
#include
"dualserver.h
"#include
"math.h"//
//math class implementation
////
constructors
math::math()
math::
~math()
//iunknown implementation
stdmethodimp math::queryinte***ce( refiid riid,
void
**ppv )
return
e_nointe***ce;
}stdmethodimp_(ulong) math::addref()
stdmethodimp_(ulong) math::release()
//idispatch implementation
stdmethodimp math::gettypeinfocount( uint
*pctinfo )
stdmethodimp math::gettypeinfo( uint itinfo,
lcid lcid,
itypeinfo
**pptinfo )
stdmethodimp math::getidsofnames( refiid riid,
olechar
**rgsznames,
uint cnames,
lcid lcid,
dispid
*rgdispid )
stdmethodimp math::invoke( dispid dispid,
refiid riid,
lcid lcid,
word wflags,
dispparams far
*pdispparams,
variant far
*pvarresult,
excepinfo far
*pexcepinfo,
unsigned
intfar
*puargerr )
else
return
s_ok;
switch
( dispid )}
//imath implementation
stdmethodimp math::add(
long
lop1,
long
lop2,
long
*plresult)
stdmethodimp math::subtract(
long
lop1,
long
lop2,
long
*plresult)
stdmethodimp math::multiply(
long
lop1,
long
lop2,
long
*plresult)
stdmethodimp math::divide(
long
lop1,
long
lop2,
long
*plresult)
mathclassfactory::mathclassfactory()
mathclassfactory::
~mathclassfactory()
stdmethodimp mathclassfactory::queryinte***ce( refiid riid,
void
**ppv )
return
(e_nointe***ce);
}stdmethodimp_(ulong) mathclassfactory::addref()
stdmethodimp_(ulong) mathclassfactory::release()
stdmethodimp mathclassfactory::createinstance
( lpunknown punkouter, refiid riid,
void
**ppvobj )
stdmethodimp mathclassfactory::lockserver( bool flock )
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