CREMPOLY.H

/***  
*crempoly.h 
* 
*  This is a part of the Microsoft Source Code Samples. 
* 
*  Copyright 1992 - 1998 Microsoft Corporation. All rights reserved. 
* 
*  This source code is only intended as a supplement to Microsoft Development 
*  Tools and/or WinHelp documentation.  See these sources for detailed 
*  information regarding the Microsoft samples programs. 
* 
*Purpose: 
*  This file defines the CRemPoly remote polygon object. 
* 
*Implementation Notes: 
* 
*****************************************************************************/ 
 
class CRemPoly : public IUnknown { 
public: 
    static HRESULT Create(CLSID clsid, CRemPoly FAR* FAR*); 
 
    // IUnknown methods 
    // 
    STDMETHOD(QueryInterface)(REFIID riid, void FAR* FAR* ppvObj); 
    STDMETHOD_(unsigned long, AddRef)(void); 
    STDMETHOD_(unsigned long, Release)(void); 
 
    // Introduced methods 
    // 
    HRESULT Draw(void); 
    HRESULT Dump(void); 
    HRESULT Reset(void); 
    HRESULT AddPoint(short x, short y); 
    HRESULT EnumPoints(IEnumVARIANT FAR* FAR* ppenum); 
    HRESULT GetXOrigin(short FAR* pxorg); 
    HRESULT SetXOrigin(short xorg); 
    HRESULT GetYOrigin(short FAR* pyorg); 
    HRESULT SetYOrigin(short yorg); 
    HRESULT GetWidth(short FAR* pwidth); 
    HRESULT SetWidth(short width); 
 
    HRESULT get_red(short FAR* psRed); 
    HRESULT set_red(short sRed); 
    HRESULT get_green(short FAR* psGreen); 
    HRESULT set_green(short sGreen); 
    HRESULT get_blue(short FAR* psBlue); 
    HRESULT set_blue(short sBlue); 
 
private: 
    CRemPoly(); 
 
    HRESULT get_i2(DISPID dispid, short FAR* ps); 
    HRESULT set_i2(DISPID dispid, short s); 
 
    unsigned long m_refs; 
    IDispatch FAR* m_pdisp; 
 
    // NOTE: this enumeration exists simply to allow us to symbolicly 
    // index the member name and id arrays (m_rgid and m_rgszMethods). 
    // This doesn't (necessarrily) have any connection to the vtable 
    // indices, it *only* needs to correspond correctly to the m_rgid 
    // and m_rgszMethods arrays. 
    // 
    enum CREMPOLY_METHODS { 
IMETH_CREMPOLY_DRAW = 0, 
IMETH_CREMPOLY_DUMP, 
IMETH_CREMPOLY_RESET, 
IMETH_CREMPOLY_ADDPOINT, 
IMETH_CREMPOLY_ENUMPOINTS, 
IMETH_CREMPOLY_GETXORIGIN, 
IMETH_CREMPOLY_SETXORIGIN, 
IMETH_CREMPOLY_GETYORIGIN, 
IMETH_CREMPOLY_SETYORIGIN, 
IMETH_CREMPOLY_GETWIDTH, 
IMETH_CREMPOLY_SETWIDTH, 
IMETH_CREMPOLY_GETRED, 
IMETH_CREMPOLY_SETRED, 
IMETH_CREMPOLY_GETGREEN, 
IMETH_CREMPOLY_SETGREEN, 
IMETH_CREMPOLY_GETBLUE, 
IMETH_CREMPOLY_SETBLUE, 
IMETH_CREMPOLY_MAX 
    }; 
 
    // member IDs - these are used by IDispatch::Invoke to identify the 
    // method or property on the remote object we accessing. 
    // 
    DISPID m_rgdispid[IMETH_CREMPOLY_MAX]; 
 
    // member names - these are used to learn the member IDs when we 
    // connect to the remote object. 
    // 
    static OLECHAR FAR* m_rgszMethods[IMETH_CREMPOLY_MAX]; 
};