CONNECT.H

/* 
 * CONNECT.H 
 * Connectable Object Sample, Chapter 4 
 * 
 * Definitions, classes, and prototypes 
 * 
 * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Microsoft 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#ifndef _QUERY_H_ 
#define _QUERY_H_ 
 
#define CHAPTER4 
#define INC_CONTROLS 
#include <inole.h> 
 
#ifndef RC_INVOKED 
#include "interfac.h" 
#include "object.h" 
#endif 
 
//Menu Resource ID and Commands 
#define IDR_MENU                    1 
 
#define IDM_OBJECTCREATE            100 
#define IDM_OBJECTRELEASE           101 
#define IDM_OBJECTSINK1CONNECT      102 
#define IDM_OBJECTSINK1DISCONNECT   103 
#define IDM_OBJECTSINK2CONNECT      104 
#define IDM_OBJECTSINK2DISCONNECT   105 
#define IDM_OBJECTEXIT              106 
 
#define IDM_TRIGGERQUACK            200 
#define IDM_TRIGGERFLAP             201 
#define IDM_TRIGGERPADDLE           202 
 
 
 
//CONNECT.CPP 
LRESULT APIENTRY ConnectWndProc(HWND, UINT, WPARAM, LPARAM); 
 
class CDuckEvents; 
typedef CDuckEvents *PCDuckEvents; 
 
//Identifiers for sinks, indices into m_rgpSink below 
enum 
    { 
    SINK1=0, 
    SINK2 
    }; 
 
 
class CApp 
    { 
    friend LRESULT APIENTRY ConnectWndProc(HWND, UINT, WPARAM, LPARAM); 
 
    protected: 
        HINSTANCE       m_hInst;            //WinMain parameters 
        HINSTANCE       m_hInstPrev; 
        UINT            m_nCmdShow; 
 
        HWND            m_hWnd;             //Main window handle 
        PCDuckEvents    m_rgpSink[2];       //Sinks to connect 
 
        /* 
         * We need to have a pointer to the full object in 
         * this somewhat contrived example because we have to 
         * tell it when to fire notifications.  Usually there 
         * will be something else besides a menu as used in 
         * this sample to trigger those firings. 
         */ 
        PCConnObject    m_pObj;             //Source object 
 
    protected: 
        void              Connect(UINT); 
        void              Disconnect(UINT); 
        IConnectionPoint *GetConnectionPoint(void); 
 
    public: 
        CApp(HINSTANCE, HINSTANCE, UINT); 
        ~CApp(void); 
        BOOL        Init(void); 
        void        Message(LPTSTR); 
    }; 
 
 
typedef CApp *PAPP; 
 
#define CBWNDEXTRA          sizeof(PAPP) 
#define CONNECTWL_STRUCTURE 0 
 
 
class CDuckEvents : public IDuckEvents 
    { 
    private: 
        ULONG       m_cRef;     //Reference count 
        PAPP        m_pApp;     //For calling Message 
        UINT        m_uID;      //Sink identifier 
 
    public: 
        //Connection key, public for CApp's usage 
        DWORD       m_dwCookie; 
 
    public: 
        CDuckEvents(PAPP, UINT); 
        ~CDuckEvents(void); 
 
        //IUnknown members 
        STDMETHODIMP         QueryInterface(REFIID, PPVOID); 
        STDMETHODIMP_(DWORD) AddRef(void); 
        STDMETHODIMP_(DWORD) Release(void); 
 
        //IDuckEvents members 
        STDMETHODIMP Quack(void); 
        STDMETHODIMP Flap(void); 
        STDMETHODIMP Paddle(void); 
    }; 
 
#endif //_CONNECT_H_