C + + Development ActiveX control related matters

1.UUID Value:

Xxxx.idl the bottom:

Cmsgpromptctrl's class information
[
UUID (84045072-8aa6-40d2-a641-0097f7f6650f)
]
CoClass Msgprompt
{
[Default] dispinterface _dmsgprompt;
[Default, source] dispinterface _dmsgpromptevents;
};

2. Security Code:

Add in XXXCtrl.h

#include <objsafe.h>

Security Code
Declare_interface_map ()
Begin_interface_part (Objsafe, IObjectSafety)
Stdmethod_ (HRESULT, GetInterfaceSafetyOptions) (
REFIID riid,
DWORD __rpc_far *pdwsupportedoptions,
DWORD __rpc_far *pdwenabledoptions
);
Stdmethod_ (HRESULT, SetInterfaceSafetyOptions) (
REFIID riid,
DWORD Dwoptionsetmask,
DWORD dwenabledoptions
);
End_interface_part (Objsafe);

Add in XXXXCTRL.CPP:

Security Code
Begin_interface_map (Cmsgpromptctrl, COleControl)
Interface_part (Cmsgpromptctrl, iid_iobjectsafety, Objsafe)
End_interface_map ()

Security Code;
ULONG far EXPORT cmsgpromptctrl::xobjsafe::addref ()
{
Method_prologue (Cmsgpromptctrl, Objsafe)
return Pthis->externaladdref ();
}


ULONG far EXPORT cmsgpromptctrl::xobjsafe::release ()
{
Method_prologue (Cmsgpromptctrl, Objsafe)
return Pthis->externalrelease ();
}


HRESULT Far EXPORT cmsgpromptctrl::xobjsafe::queryinterface (
Refiid iid, void far* far* ppvobj)
{
Method_prologue (Cmsgpromptctrl, Objsafe)
Return (HRESULT) pthis->externalqueryinterface (&iid, ppvobj);
}




Const DWORD Dwsupportedbits =
Interfacesafe_for_untrusted_caller |
Interfacesafe_for_untrusted_data;
Const DWORD dwnotsupportedbits = ~ dwsupportedbits;


HRESULT Stdmethodcalltype cmsgpromptctrl::xobjsafe::getinterfacesafetyoptions (
REFIID riid,
DWORD __rpc_far *pdwsupportedoptions,
DWORD __rpc_far *pdwenabledoptions
)
{
Method_prologue (Cmsgpromptctrl, Objsafe)


HRESULT retval = Resultfromscode (S_OK);


Whether the interface exists
IUnknown far* Punkinterface;
retval = Pthis->externalqueryinterface (&riid, (void * *) &punkinterface);
if (retval! = e_nointerface)//interface exists
{
Punkinterface->release (); Release references
}


We support both kinds of safety and has always both set,
Regardless of interface.
*pdwsupportedoptions = *pdwenabledoptions = Dwsupportedbits;
return retval; E_nointerface If QI failed
}


//////////////////////////////////////////////////////////// /////////////////
Cxxxctrl::xobjsafe::setinterfacesafetyoptions
HRESULT Stdmethodcalltype cmsgpromptctrl::xobjsafe::setinterfacesafetyoptions (
REFIID riid,
DWORD Dwoptionsetmask,
DWORD dwenabledoptions
)
{
Method_prologue (Cmsgpromptctrl, Objsafe)


Whether the interface exists
IUnknown far* Punkinterface;
Pthis->externalqueryinterface (&AMP;RIID, (void * *) &punkinterface);
if (punkinterface)//interface exists
{
Punkinterface->release (); Release references
}
else//interface does not exist
{
Return Resultfromscode (E_NOINTERFACE);
}
Can ' t set bits we don ' t support.
if (Dwoptionsetmask & Dwnotsupportedbits)
{
Return Resultfromscode (E_FAIL);
}


Can ' t set bits we do support to zero
Dwenabledoptions &= dwsupportedbits;
(We already know there is no extra bits in mask.)
if ((Dwoptionsetmask & dwenabledoptions)! = Dwoptionsetmask)
{
Return Resultfromscode (E_FAIL);
}


Don ' t need to change anything since we ' re always safe.
Return Resultfromscode (S_OK);
}

3. Add interfaces and Events:

To add an interface:

Xxxxlib under Dxxxx Right--add--Add method

To add an event:

Xxxxctrl Right-click-add Event

C + + Development ActiveX control related matters