calculate.h

COM组件接口继承的Visual C++实现

// CalCulate.h : Declaration of the CCalCulate

#ifndef __CALCULATE_H_
#define __CALCULATE_H_

#include "resource.h"       // main symbols

/////////////////////////////////////////////////////////////////////////////
// CCalCulate
class ATL_NO_VTABLE CCalCulate : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CCalCulate, &CLSID_CalCulate>,
	public IFun2
{
public:
	CCalCulate()
	{
	}

DECLARE_REGISTRY_RESOURCEID(IDR_CALCULATE)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CCalCulate)
	COM_INTERFACE_ENTRY(IFun)
	COM_INTERFACE_ENTRY(IFun2)
END_COM_MAP()

// IFun
public:
	STDMETHOD(Sub)(/*[in]*/ long n1, /*[in]*/ long n2, /*[out, retval]*/ long *pVal);
	STDMETHOD(Add)(/*[in]*/ long n1, /*[in]*/ long n2, /*[out, retval]*/ long *pVal);
};

#endif //__CALCULATE_H_