//dll / com 部分
//...........interface.h.........
#define INO 10
#define IANO 11
#define IBNO 12
//................
#define CANO 20
//...................
class I
{
public:
virtual int AddRef()=0;
virtual bool Release()=0;
virtual bool QueryInterface (int I_ID, void **pOutInterface)=0;
};
class IA:public I
{
public:
virtual void fna1(int i)=0;
virtual void fna2(int i)=0;
int m_ia;//¼ÓÁËËû¾Í²»·ûºÏcom¹æ·¶ÁË¡£¡£
};
class IB:public I
{
public:
virtual void fnb1(int i)=0;
virtual void fnb2(int i)=0;
};
//为了方便是用呢不得不让所有接口继承一个公共地接口
// A.h: interface for the CA class.
//
//////////////////////////////////////////////////////////////////////
#pragma warning(disable: 4786)
#if !defined(AFX_A_H__BB099D15_A5F3_4E71_8760_1D2F67814BC4__INCLUDED_)
#define AFX_A_H__BB099D15_A5F3_4E71_8760_1D2F67814BC4__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
//..............................
#include "interface.h"
//#include "IUnknown.h"
#include <map>
#include <string>
using namespace std;
//................
class CA :public IA,public IB//, public I //ûÀíÓɼÓÉϼ̳ÐI¾Í³öÏÖ´íÎó°¡¡£¡£
{
public:
CA();
virtual ~CA();
virtual int AddRef();
virtual bool Release();
virtual bool QueryInterface( int I_ID, void **pOutInterface);
virtual void fna1( int i );
virtual void fna2(int i );
virtual void fnb1( int i );
virtual void fnb2(int i );
protected:
int m_iRef;
map<int , void*> m_map_iidtoi;
public:
typedef map<int , void*>::value_type VTMAPIIDTOI;
typedef map<int , void*>::iterator ITMAPIIDTOI;
};
extern "C"
{
__declspec(dllexport) /*bool*/void CreateInstance(int CLS_ID, int I_ID, //in
void **ppi);//out
};
#endif // !defined(AFX_A_H__BB099D15_A5F3_4E71_8760_1D2F67814BC4__INCLUDED_)
// A.cpp: implementation of the CA class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "A.h"
#include <iostream>
using namespace std;
// TryCom3.cpp : Defines the entry point for the DLL application.
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
// This is the constructor of a class that has been exported.
// see TryCom3.h for the class definition
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CA::CA()
{
//this->m_iRef =1;
this->m_map_iidtoi.insert( VTMAPIIDTOI(INO, static_cast<void*>( static_cast<I*>(static_cast<IA*>(this)) )) );
this->m_map_iidtoi.insert( VTMAPIIDTOI(IANO,static_cast<IA*>(this)) );//×Ô¶¯»áת»»
this->m_map_iidtoi.insert( VTMAPIIDTOI(IBNO,static_cast<IB*>(this)) );
}
CA::~CA()
{
}
int CA::AddRef()
{
++m_iRef;
return m_iRef;
}
bool CA::Release()
{
m_iRef -- ;
if ( m_iRef == 0)
{
delete this;
}
return true;
}
bool CA::QueryInterface(int I_ID, void **pOutInterface)
{
CA::ITMAPIIDTOI it=this->m_map_iidtoi.find(I_ID);
if( it== this->m_map_iidtoi.end() )
{
*pOutInterface=NULL;
return false;
}
*pOutInterface = (*it).second ;
return true;
}
void CA::fna1( int i )
{
cout<<"CA::IA::fna1 verison =2 "<<"input para: "<<i<<endl;
}
void CA::fna2(int i )
{
cout<<"CA::IA::fna2 verison =2 "<<"input para: "<<i<<endl;
}
void CA::fnb1( int i )
{
cout<<"CA::IA::fnb1 verison =2 "<<"input para: "<<i<<endl;
}
void CA::fnb2(int i )
{
cout<<"CA::IA::fnb2 verison =2 "<<"input para: "<<i<<endl;
}
//////////////////////////
//bool
void CreateInstance(int CLS_ID, int I_ID, //in
void **ppi)//out
{
if ( CLS_ID == CANO )
{
CA *p= new CA;
p->QueryInterface( I_ID , ppi );
if ( *ppi == NULL )
{
return ;//false;
}
return ;//true;/*Ö´Ðе½ÕâÀï°´F10³öÏÖÒ»¸ö´íÎó,ÌáʾÐÅϢΪ:
//user breakpoint call from code at 0x7c921230 */
}
else
{
*ppi = NULL;
return;// true;
}
}
//客户端部分
// MyComPtr.h: interface for the CMyComPtr class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_MYCOMPTR_H__47F0A5E7_7474_4A9C_96A8_AA5E6A33FD37__INCLUDED_)
#define AFX_MYCOMPTR_H__47F0A5E7_7474_4A9C_96A8_AA5E6A33FD37__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
namespace nsmycomptr
{
template<class Type,int iid>
class CMyComPtr
{
public:
CMyComPtr()
{
this->m_pi = NULL;
}
CMyComPtr(Type *pi)
{
this->m_pi = pi;
if( m_pi != NULL )
m_pi->AddRef();
}
virtual ~CMyComPtr()
{
this->m_pi->Release();
this->m_pi = NULL;
//ÔںܶàÇé¿öÏÂÕâÑù»á³öÎÊÌâ,Ó¦¸ÃÔÚÕâÀïÃæµ÷ÓÃrelease
}
void Release()
{
if ( m_pi != NULL )
{
Type *pold= m_pi;
m_pi=NULL;
pold->Release();
}
}
Type * operator->()
{
return m_pi;
}
operator Type*()
{
return m_pi;
}
Type ** operator&()
{
return &m_pi;
}
protected:
Type * m_pi;
};
/*接口转换模板函数 。。。。。*/
template<class DestIType,int Destiid>
DestIType *interface_cast(I * pi)
{
DestIType *pdi=NULL ;
pi->QueryInterface(Destiid , (void**)&pdi );
return pdi;
}
};//end nsmycomptr
#endif // !defined(AFX_MYCOMPTR_H__47F0A5E7_7474_4A9C_96A8_AA5E6A33FD37__INCLUDED_)
//main............................
// UseTryCom3ByComPtr.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "../interface.h"
#include <iostream>
using namespace std ;
#include "MyComPtr.h"
using namespace nsmycomptr;
#include "windows.h"
int main(int argc, char* argv[])
{
HMODULE hm= ::LoadLibrary("E://lianxi//DLL_LIB_DCOM_COM//TryCom4_Óй²Í¬µÄ½Ó¿Ú»ùÀà//Debug//TryCom3.dll");
if (hm == NULL)
{
cout<<"LoadLibrary error"<<endl;
return 0;
}
typedef /*bool*/ void (*pfnCreateInstance)(int , int , void **);
pfnCreateInstance pfnci=(pfnCreateInstance)::GetProcAddress(hm,"CreateInstance");
if (pfnci==NULL)
{
cout<<"get CreateInstance address error/n";
return 0;
}
CMyComPtr<I,INO> iptr;
pfnci( CANO , INO, (void **)&iptr );
//IA *iap=interface_cast< IA, IANO>( iptr );
//CMyComPtr<IA,IANO> iaptr(iap);
CMyComPtr<IA,IANO> iaptr( interface_cast< IA, IANO>( iptr ) );
iaptr->fna1(10 );
iaptr->fna2(100);
//IB *ibp=interface_cast<IB,IBNO>(iaptr);
//CMyComPtr<IB,IBNO> ibptr(ibp);
CMyComPtr<IB,IBNO> ibptr( interface_cast<IB,IBNO>(iaptr) );
ibptr->fnb1(50);
ibptr->fnb2(500);
// ::FreeLibrary(hm);
return 0;
}
、、以上程序少了错误检测。。。