ComATLATLMFCMFC MFCIUnknownMFCCCmdTargetComMFCCom MFCCOM

1.

1.1

#pragma  once

typedef long HRESULT;

// {30DF3430-0266-11cf-BAA6-00AA003E0EED}

extern const GUID CLSID_Math;

//{ 0x30df3430, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

//////////////////////////////////////////////////////////////////////////////////////

// {30DF3432-0266-11cf-BAA6-00AA003E0EED}

extern const GUID IID_IOPerator;

//{ 0x30df3432, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

class IOPerator:public IUnknown

{

public:

	virtual HRESULT _stdcall Add(int nParam1, int nParam2, int* pResult) =0;

	virtual HRESULT _stdcall Subtract(int nParam1, int nParam2, int* pResult) =0;

	virtual HRESULT _stdcall Multiple(int nParam1, int nParam2, int* pResult) =0;

	virtual HRESULT _stdcall Divide(int nParam1, int nParam2, int* pResult) =0;

};

// {30DF3433-0266-11cf-BAA6-00AA003E0EED}

extern const GUID IID_IAdvanceOPerator;

//{ 0x30df3433, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

class IAdvanceOPerator:public IUnknown

{

public:

	virtual HRESULT _stdcall Abs(int nParam1, int* pResult) =0;

	virtual HRESULT _stdcall Power(int nParam1, int nParam2, int* pResult) =0;

};
// CMyMath command target

class CMyMath : public CCmdTarget

{

	DECLARE_DYNCREATE(CMyMath)

public:

	CMyMath();

	virtual ~CMyMath();

	virtual void OnFinalRelease();

protected:

	DECLARE_OLECREATE(CMyMath)

	DECLARE_MESSAGE_MAP()

	DECLARE_DISPATCH_MAP()

	DECLARE_INTERFACE_MAP()

	BEGIN_INTERFACE_PART(OPerator, IOPerator)

		STDMETHOD_(HRESULT, Add)(int nParam1, int nParam2, int* pResult);

		STDMETHOD_(HRESULT, Subtract)(int nParam1, int nParam2, int* pResult);

		STDMETHOD_(HRESULT, Multiple)(int nParam1, int nParam2, int* pResult);

		STDMETHOD_(HRESULT, Divide)(int nParam1, int nParam2, int* pResult);

	END_INTERFACE_PART(OPerator)

	BEGIN_INTERFACE_PART(AdvanceOperator, IAdvanceOPerator)

		STDMETHOD_(HRESULT, Abs)(int nParam1, int* pResult);

		STDMETHOD_(HRESULT, Power)(int nParam1, int nParam2, int* pResult);

	END_INTERFACE_PART(AdvanceOperator)

};

1.2

#include "stdafx.h"

#include "MyCom16.h"

#include "MyMath.h"

// CMyMath

IMPLEMENT_DYNCREATE(CMyMath, CCmdTarget)

CMyMath::CMyMath()

{

	EnableAutomation();

	EnableAggregation();

}

CMyMath::~CMyMath()

{

}

void CMyMath::OnFinalRelease()

{

	// When the last reference for an automation object is released

	// OnFinalRelease is called.  The base class will automatically

	// deletes the object.  Add additional cleanup required for your

	// object before calling the base class.

	CCmdTarget::OnFinalRelease();

}

BEGIN_MESSAGE_MAP(CMyMath, CCmdTarget)

END_MESSAGE_MAP()

BEGIN_DISPATCH_MAP(CMyMath, CCmdTarget)

END_DISPATCH_MAP()

// Note: we add support for IID_IMyMath to support typesafe binding

//  from VBA.  This IID must match the GUID that is attached to the

//  dispinterface in the .IDL file.

// {7259EA0F-0E64-4FF9-BBA1-332E82AFA0D3}

static const IID IID_IMyMath =

{ 0x7259EA0F, 0xE64, 0x4FF9, { 0xBB, 0xA1, 0x33, 0x2E, 0x82, 0xAF, 0xA0, 0xD3 } };

static const GUID IID_IOPerator =

{ 0x30df3432, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed }};

static const GUID IID_IAdvanceOPerator =

{ 0x30df3433, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed }};

// CLSID_Math

IMPLEMENT_OLECREATE(CMyMath, "MyCom16.MyMath", 0x30df3430, 0x266, 0x11cf,  0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed)

BEGIN_INTERFACE_MAP(CMyMath, CCmdTarget)

	INTERFACE_PART(CMyMath,IID_IMyMath, Dispatch)

	INTERFACE_PART(CMyMath,IID_IOPerator,OPerator)

	INTERFACE_PART(CMyMath,IID_IAdvanceOPerator,AdvanceOperator)

END_INTERFACE_MAP()

// CMyMath message handlers

ULONG  CMyMath::XOPerator::AddRef()

{

	METHOD_PROLOGUE(CMyMath, OPerator);

	return pThis->ExternalAddRef();

}

ULONG  CMyMath::XOPerator::Release()

{

	METHOD_PROLOGUE(CMyMath, OPerator);

	return pThis->ExternalRelease();

}

HRESULT  CMyMath::XOPerator::QueryInterface(REFIID riid, void** ppObject)

{

	METHOD_PROLOGUE_EX_(CMyMath, OPerator);

	return pThis->ExternalQueryInterface((void *)&riid,ppObject);

}

HRESULT  CMyMath::XOPerator::Add( int nParam1, int nParam2, int* pResult )

{

	*pResult = nParam1 + nParam2;

	return S_OK;

}

HRESULT  CMyMath::XOPerator::Subtract( int nParam1, int nParam2, int* pResult )

{

	*pResult = nParam1 - nParam2;

	return S_OK;

}

HRESULT  CMyMath::XOPerator::Multiple( int nParam1, int nParam2, int* pResult )

{

	*pResult = nParam1 * nParam2;

	return S_OK;

}

HRESULT  CMyMath::XOPerator::Divide( int nParam1, int nParam2, int* pResult )

{

	*pResult = nParam1 / nParam2;

	return S_OK;

}

ULONG  CMyMath::XAdvanceOperator::AddRef()

{

	METHOD_PROLOGUE(CMyMath, AdvanceOperator);

	return pThis->ExternalAddRef();

}

ULONG  CMyMath::XAdvanceOperator::Release()

{

	METHOD_PROLOGUE(CMyMath, AdvanceOperator);

	return pThis->ExternalRelease();

}

HRESULT  CMyMath::XAdvanceOperator::QueryInterface(REFIID riid, void** ppObject)

{

	METHOD_PROLOGUE(CMyMath, AdvanceOperator);

	return pThis->ExternalQueryInterface((void *)&riid,ppObject);

}

HRESULT _stdcall CMyMath::XAdvanceOperator::Abs( int nParam1, int* pResult )

{

	if(nParam1 < 0)

		*pResult = -nParam1;

	else

		*pResult = nParam1;

	return S_OK;

}

HRESULT _stdcall CMyMath::XAdvanceOperator::Power( int nParam1, int nParam2, int* pResult )

{

	*pResult =1;

	for(int i=0;i<nParam2;i++)

		*pResult *=nParam1;

	return S_OK;

}

2

2.1

#pragma  once

typedef long HRESULT;

class IArea:public IUnknown

{

public:

	virtual HRESULT _stdcall Triangle(int width, int High, float* pResult) =0;

	virtual HRESULT _stdcall Square(int lengh, float* pResult) =0;

	virtual HRESULT _stdcall Cirle(int r, float* pResult) =0;

};
#pragma once

#include "IArea.h"

// CMyMath2 command target

class CMyMath2 : public CCmdTarget

{

	DECLARE_DYNCREATE(CMyMath2)

public:

	CMyMath2();

	virtual ~CMyMath2();

	virtual void OnFinalRelease();

    virtual BOOL OnCreateAggregates();

	BEGIN_INTERFACE_PART(Area, IArea)

		STDMETHOD_(HRESULT, Triangle)(int width, int High, float* pResult);

		STDMETHOD_(HRESULT, Square)(int lengh, float* pResult);

		STDMETHOD_(HRESULT, Cirle)(int r, float* pResult);

	END_INTERFACE_PART(Area)

protected:

	DECLARE_OLECREATE(CMyMath2)

	DECLARE_MESSAGE_MAP()

	DECLARE_DISPATCH_MAP()

	DECLARE_INTERFACE_MAP()

};

2.2

#include "MyMath2.h"

#include <iostream>

using namespace std;

const float PI = 3.14;

static const GUID CLSID_Math =

{ 0x30df3430, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

// CMyMath2

IMPLEMENT_DYNCREATE(CMyMath2, CCmdTarget)

CMyMath2::CMyMath2()

{

	EnableAutomation();

}

CMyMath2::~CMyMath2()

{

}

void CMyMath2::OnFinalRelease()

{

	// When the last reference for an automation object is released

	// OnFinalRelease is called.  The base class will automatically

	// deletes the object.  Add additional cleanup required for your

	// object before calling the base class.

    if(m_xInnerUnknown !=NULL)

	{

		IUnknown *pUnk =(IUnknown *)m_xInnerUnknown;

		pUnk->Release();

	}

	CCmdTarget::OnFinalRelease();

}

BEGIN_MESSAGE_MAP(CMyMath2, CCmdTarget)

END_MESSAGE_MAP()

BEGIN_DISPATCH_MAP(CMyMath2, CCmdTarget)

END_DISPATCH_MAP()

// Note: we add support for IID_IMyMath2 to support typesafe binding

//  from VBA.  This IID must match the GUID that is attached to the

//  dispinterface in the .IDL file.

// {60B1DE57-1DE8-4759-B220-C35E03B2049D}

static const IID IID_IMyMath2 =

{ 0x60B1DE57, 0x1DE8, 0x4759, { 0xB2, 0x20, 0xC3, 0x5E, 0x3, 0xB2, 0x4, 0x9D } };

static const GUID IID_IArea =

{ 0x30df3452, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed }};

// CLSID_Math

IMPLEMENT_OLECREATE(CMyMath2, "MyCom9.MyMath2", 0x30df3450, 0x266, 0x11cf,  0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed)

BEGIN_INTERFACE_MAP(CMyMath2, CCmdTarget)

	INTERFACE_PART(CMyMath2, IID_IMyMath2, Dispatch)

	INTERFACE_PART(CMyMath2,IID_IArea,Area)

	INTERFACE_AGGREGATE(CMyMath2,m_xInnerUnknown) //CMyMath2CMyMath

END_INTERFACE_MAP()

//CMyMath2CMyMath

BOOL CMyMath2::OnCreateAggregates()

{

#if 0

	//

	::CoCreateInstance(CLSID_Math,(IUnknown *)this,CLSCTX_INPROC_SERVER,IID_IUnknown,(void **)&m_xInnerUnknown);

#else

	LPUNKNOWN pUnk = GetControllingUnknown();

	::CoCreateInstance(CLSID_Math,(IUnknown *)pUnk,CLSCTX_INPROC_SERVER,IID_IUnknown,(void **)&m_xInnerUnknown);

#endif

	return TRUE;

}

// CMyMath2 message handlers

HRESULT _stdcall CMyMath2::XArea::Triangle( int width, int High, float* pResult )

{

	*pResult =width*High *1.0/2;

	return S_OK;

}

HRESULT _stdcall CMyMath2::XArea::Square( int lengh, float* pResult )

{

	*pResult =lengh *lengh*1.0/2;

	return S_OK;

}

HRESULT _stdcall CMyMath2::XArea::Cirle( int r, float* pResult )

{

	*pResult = PI *r*r;

	return S_OK;

}

ULONG  CMyMath2::XArea::AddRef()

{

	METHOD_PROLOGUE(CMyMath2, Area);

	return pThis->ExternalAddRef();

}

ULONG  CMyMath2::XArea::Release()

{

	METHOD_PROLOGUE(CMyMath2, Area);

	return pThis->ExternalRelease();

}

HRESULT  CMyMath2::XArea::QueryInterface(REFIID riid, void** ppObject)

{

	METHOD_PROLOGUE_EX_(CMyMath2, Area);

	return pThis->ExternalQueryInterface((void *)&riid,ppObject);;

}

3.

#include "../MyCom16/Operator.h"

#include "../MyCom9/IArea.h"

using namespace std;

static const GUID CLSID_Math =

{ 0x30df3430, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

static const GUID IID_IOPerator =

{ 0x30df3432, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

static const GUID IID_IAdvanceOPerator =

{ 0x30df3433, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed } };

static const GUID CLSID_Math2 =

{ 0x30df3450, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed }};

static const GUID IID_IArea =

{ 0x30df3452, 0x266, 0x11cf, { 0xba, 0xa6, 0x0, 0xaa, 0x0, 0x3e, 0xe, 0xed }};

int _tmain(int argc, _TCHAR* argv[])

{

	CLSID clsId;

	IClassFactory *pMathFactory = NULL;

	IUnknown* pUnknown = NULL;

	IUnknown* pUnk = NULL;

	IOPerator *pOPerator = NULL;

	IAdvanceOPerator *pAdvanceOperator = NULL;

	IArea   *pArea = NULL;

	IArea   *pArea2 = NULL;

	IAdvanceOPerator *pAdvanceOperator2 = NULL;

	int nResult = 0;

	HRESULT hRes;

	CoInitialize(NULL);

 ///////////////////////Test MyCom1///////////////////////////////////////////////////////////////////

#if 1

	//CLSIDFromProgID(_T("Testcom1 Server"),&clsId);

	hRes = CoGetClassObject(CLSID_Math, CLSCTX_SERVER, NULL, IID_IClassFactory, (void**) &pMathFactory);

	if(FAILED(hRes))

	{

		return 0;

	}

	pMathFactory->CreateInstance(NULL,IID_IOPerator,(void **)&pOPerator);

	pMathFactory->Release();

	pOPerator->Add(5,6,&nResult);

    cout<<"5+6 ="<<nResult<<endl;

	pOPerator->Multiple(5,6,&nResult);

	cout<<"5*6 ="<<nResult<<endl;

	pOPerator->Divide(5,6,&nResult);

	cout<<"5/6 ="<<nResult<<endl;

	pOPerator->QueryInterface(IID_IAdvanceOPerator,(void **)&pAdvanceOperator);

	pAdvanceOperator->Abs(-123,&nResult);

    cout<<"Abs(-123)  ="<<nResult<<endl;

	pAdvanceOperator->Power(5,3,&nResult);

	cout<<"Power(5,3) ="<<nResult<<endl;

    pAdvanceOperator->QueryInterface(IID_IUnknown,(void **)&pUnknown);

	pOPerator->QueryInterface(IID_IUnknown,(void **)&pUnk);

    pUnk->QueryInterface(IID_IAdvanceOPerator,(void **)&pAdvanceOperator2);

    if(pUnk == pUnknown)

		cout<<"They are the same com obj"<<endl;

	else

		cout<<"They not equal obj" <<endl;

	pUnknown->Release();

	pUnk->Release();

	pAdvanceOperator->Release();

	pOPerator->Release();

	pAdvanceOperator2->Release();

	pOPerator = NULL;

	pAdvanceOperator = NULL;

	pUnk = NULL;

	pUnknown = NULL;

	pAdvanceOperator2 =NULL;

#endif

	/*

	 Com9 Com1

	*/

#if 1

	pOPerator = NULL;

	pAdvanceOperator = NULL;

	pUnk =NULL;

	pUnknown = NULL;

	//CLSIDFromProgID(_T("Testcom1 Server"),&clsId);

	hRes = CoGetClassObject(CLSID_Math2, CLSCTX_SERVER, NULL, IID_IClassFactory, (void**) &pMathFactory);

	if(FAILED(hRes))

	{

		return 0;

	}

	pMathFactory->CreateInstance(NULL,IID_IArea,(void **)&pArea);

	pMathFactory->Release();

    float fResult =0.0f;

	pArea->Triangle(3,4,&fResult);

	cout<<"Triangle(3,4) = "<<fResult<<endl;

	pArea->Cirle(5,&fResult);

	cout<<"Cirle(5) = "<<fResult<<endl;

    pArea->QueryInterface(IID_IOPerator,(void **)&pOPerator);

	pOPerator->Add(5,6,&nResult);

	cout<<"5+6 ="<<nResult<<endl;

	pOPerator->Multiple(5,6,&nResult);

	cout<<"5*6 ="<<nResult<<endl;

	pOPerator->Divide(5,6,&nResult);

	cout<<"5/6 ="<<nResult<<endl;

    pOPerator->QueryInterface(IID_IAdvanceOPerator,(void **)&pAdvanceOperator);

	pAdvanceOperator->QueryInterface(IID_IArea,(void **)&pArea2);

	if(pArea == pArea2)

		cout<<"They are the same com obj"<<endl;

	else

		cout<<"They not equal obj" <<endl;

	pArea->QueryInterface(IID_IUnknown,(void **)&pUnknown);

	pOPerator->QueryInterface(IID_IUnknown,(void **)&pUnk);

	if(pUnk ==pUnknown)

		cout<<"They are the same com obj"<<endl;

	else

		cout<<"They not equal obj" <<endl;

	pUnknown->Release();

	pUnk->Release();

	pArea->Release();

	pOPerator->Release();

	pAdvanceOperator->Release();

	pArea2->Release();

#endif

	::CoUninitialize();

	return 0;

}

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