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cpoint.h
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C/C++ Source or Header
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1997-10-05
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3KB
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133 lines
/***
*cpoint.h
*
* This is a part of the Microsoft Source Code Samples.
*
* Copyright (C) 1992-1997 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:
* Definition of the CPoint class.
*
* The CPoint object exposes two properties for programatic access
* via the IDispatch interface.
*
* properties:
* X - the 'x' coordinate of the point
* Y - the 'y' coordinate of the point
*
*Implementation Notes:
*
*****************************************************************************/
#ifndef CLASS
#ifdef __TURBOC__
#define CLASS class huge
#else
#define CLASS class FAR
#endif
#endif
class CPoly;
CLASS CPoint : public IDispatch {
friend class CPoly;
public:
static CPoint FAR* Create();
/* IUnknown methods */
STDMETHOD(QueryInterface)(REFIID riid, void FAR* FAR* ppvObj);
STDMETHOD_(unsigned long, AddRef)(void);
STDMETHOD_(unsigned long, Release)(void);
/* IDispatch methods */
STDMETHOD(GetTypeInfoCount)(unsigned int FAR* pcTypeInfo);
STDMETHOD(GetTypeInfo)(
unsigned int iTypeInfo,
LCID lcid,
ITypeInfo FAR* FAR* ppTypeInfo);
STDMETHOD(GetIDsOfNames)(
REFIID riid,
OLECHAR FAR* FAR* rgszNames,
unsigned int cNames,
LCID lcid,
DISPID FAR* rgdispid);
STDMETHOD(Invoke)(
DISPID dispidMember,
REFIID riid,
LCID lcid,
unsigned short wFlags,
DISPPARAMS FAR* pdispparams,
VARIANT FAR* pvarResult,
EXCEPINFO FAR* pexcepinfo,
unsigned int FAR* pwArgErr);
/* Introduced methods */
virtual short PASCAL GetX(void);
virtual void PASCAL SetX(short x);
virtual short PASCAL GetY(void);
virtual void PASCAL SetY(short y);
private:
CPoint();
unsigned long m_refs;
short m_x;
short m_y;
};
// member DISPIDs
//
enum IDMEMBER_CPOINT {
IDMEMBER_CPOINT_GETX = 1,
IDMEMBER_CPOINT_SETX,
IDMEMBER_CPOINT_GETY,
IDMEMBER_CPOINT_SETY,
IDMEMBER_CPOINT_MAX
};
// structure used to link together lists of points
//
struct POINTLINK {
POINTLINK FAR* next;
CPoint FAR* ppoint;
};
// The CPoint Class Factory
//
CLASS CPointCF : public IClassFactory
{
public:
static IClassFactory FAR* Create();
/* IUnknown methods */
STDMETHOD(QueryInterface)(REFIID iid, void FAR* FAR* ppv);
STDMETHOD_(unsigned long, AddRef)(void);
STDMETHOD_(unsigned long, Release)(void);
/* IClassFactory methods */
STDMETHOD(CreateInstance)(
IUnknown FAR* pUnkOuter, REFIID iid, void FAR* FAR* ppv);
#ifdef _MAC
STDMETHOD(LockServer)(unsigned long fLock);
#else
STDMETHOD(LockServer)(BOOL fLock);
#endif
private:
CPointCF();
unsigned long m_refs;
};