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C/C++ Source or Header  |  1993-04-23  |  1KB  |  53 lines
  1. /*
  2.  * DATATRAN.H
  3.  *
  4.  * Definitions, classes, and prototypes for a DLL that provides
  5.  * data transfer objects.
  6.  *
  7.  * Copyright (c)1993 Microsoft Corporation, All Rights Reserved
  8.  *
  9.  * Kraig Brockschmidt, Software Design Engineer
  10.  * Microsoft Systems Developer Relations
  11.  *
  12.  * Internet  :  kraigb@microsoft.com
  13.  * Compuserve:  >INTERNET:kraigb@microsoft.com
  14.  */
  15.  
  16.  
  17. #ifndef _DATATRAN_H_
  18. #define _DATATRAN_H_
  19.  
  20.  
  21. #include "dataobj.h"
  22.  
  23.  
  24. void FAR PASCAL ObjectDestroyed(void);
  25.  
  26.  
  27. //DATATRAN.CPP
  28. //This class factory object creates Data Transfer Objects.
  29.  
  30. class __far CDataTransferClassFactory : public IClassFactory
  31.     {
  32.     protected:
  33.         ULONG           m_cRef;         //Reference count on class object
  34.  
  35.     public:
  36.         CDataTransferClassFactory(void);
  37.         ~CDataTransferClassFactory(void);
  38.  
  39.         //IUnknown members
  40.         STDMETHODIMP         QueryInterface(REFIID, LPVOID FAR *);
  41.         STDMETHODIMP_(ULONG) AddRef(void);
  42.         STDMETHODIMP_(ULONG) Release(void);
  43.  
  44.         //IClassFactory members
  45.         STDMETHODIMP         CreateInstance(LPUNKNOWN, REFIID, LPVOID FAR *);
  46.         STDMETHODIMP         LockServer(BOOL);
  47.     };
  48.  
  49. typedef CDataTransferClassFactory FAR * LPCDataTransferClassFactory;
  50.  
  51.  
  52. #endif //_DATATRAN_H_
  53.