comdll.cpp

C++Builder高级应用开发指南随书源码

//$$---- axlib proj source ---- (stAXLibProjectSource)
#include <vcl.h>
#pragma hdrstop
#include <atl\atlvcl.h>

#include "MyComObjectImpl.h"
#include "EventComImpl.h"
#pragma package(smart_init)
USERES("ComDll.res");
USEUNIT("ComDll_ATL.cpp");
USETLB("ComDll.tlb");
USEUNIT("ComDll_TLB.cpp");
USEUNIT("MyComObjectImpl.cpp"); /* MyComObject: CoClass */
USEUNIT("EventComImpl.cpp"); /* EventCom: CoClass */
//---------------------------------------------------------------------------
TComModule  Project1Module;
TComModule &_Module = Project1Module;

// The ATL Object map holds an array of _ATL_OBJMAP_ENTRY structures that
// described the objects of your OLE server. The MAP is handed to your
// project's CComModule-derived _Module object via the Init method.
//
BEGIN_OBJECT_MAP(ObjectMap)
  OBJECT_ENTRY(CLSID_MyComObject, TMyComObjectImpl)
  OBJECT_ENTRY(CLSID_EventCom, TEventComImpl)
END_OBJECT_MAP()

// Entry point of your Server invoked by Windows for processes or threads are
// initialized or terminated.
//
int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void*)
{
    if (reason == DLL_PROCESS_ATTACH)
    {
        _Module.Init(ObjectMap, hinst);
        DisableThreadLibraryCalls(hinst);
    }
    return TRUE;
}

// _Module.Term is typically invoked from the DLL_PROCESS_DETACH of your
// DllEntryPoint. However, this may result in an incorrect shutdown sequence.
// Instead an Exit routine is setup to invoke the cleanup routine
// CComModule::Term.
//
void ModuleTerm(void)
{
    _Module.Term();
}
#pragma exit ModuleTerm 63

// Entry point of your Server invoked to inquire whether the DLL is no
// longer in use and should be unloaded.
//
STDAPI __export DllCanUnloadNow(void)
{
    return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}

// Entry point of your Server allowing OLE to retrieve a class object from
// your Server
//
STDAPI __export DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
    return _Module.GetClassObject(rclsid, riid, ppv);
}

// Entry point of your Server invoked to instruct the server to create
// registry entries for all classes supported by the module
//
STDAPI __export DllRegisterServer(void)
{
    return _Module.RegisterServer(TRUE);
}

// Entry point of your Server invoked to instruct the server to remove
// all registry entries created through DllRegisterServer.
//
STDAPI __export DllUnregisterServer(void)
{
    return _Module.UnregisterServer();
}
//---------------------------------------------------------------------------