event1.h

Thinkinc++English 电子书籍,英文版

// Event1.h : CEvent1 的声明

#pragma once
#include "resource.h"       // 主符号

#include "Simple12.h"


// CEvent1

class ATL_NO_VTABLE CEvent1 : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CEvent1, &CLSID_Event1>,
	public IEvent1
{
public:
	CEvent1()
	{
		for( int i=0; i<10; i++)	// 初始化所有的回调接口为 NULL
		{
			m_pCallBack[i] = NULL;
		}
	}

DECLARE_REGISTRY_RESOURCEID(IDR_EVENT1)


BEGIN_COM_MAP(CEvent1)
	COM_INTERFACE_ENTRY(IEvent1)
END_COM_MAP()


	DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct()
	{
		return S_OK;
	}
	
	void FinalRelease() 
	{
	}

public:

	STDMETHOD(Add)(LONG n1, LONG n2);
	STDMETHOD(Advise)(ICallBack * pCallBack, LONG* pdwCookie);
	STDMETHOD(Unadvise)(LONG dwCookie);
private:
	// 存储回调接口指针的数组
	ICallBack *m_pCallBack [10];
};

OBJECT_ENTRY_AUTO(__uuidof(Event1), CEvent1)