windows-nt/Source/XPSP1/NT/multimedia/directx/dplay/dnet/common/createin.h
2020-09-26 16:20:57 +08:00

40 lines
1.1 KiB
C

/*==========================================================================
*
* Copyright (C) 1998 Microsoft Corporation. All Rights Reserved.
*
* File: createin.h
* Content: defines functions required by the generic class factory
*
*
* The generic class factory (classfac.c) requires these functions to be
* implemented by the COM object(s) its supposed to be generating
*
* GP_ stands for "General Purpose"
*
* History:
* Date By Reason
* ==== == ======
* 10/13/98 jwo Created it.
***************************************************************************/
#ifndef __CREATEINS__
#define __CREATEINS__
#ifdef __cplusplus
extern "C" {
#endif
// you must implement this function to create an instance of your COM object
HRESULT DoCreateInstance(LPCLASSFACTORY This, LPUNKNOWN pUnkOuter, REFCLSID rclsid, REFIID riid,
LPVOID *ppvObj);
// you must implement this function. Given a class id, you must respond
// whether or not your DLL implements it
BOOL IsClassImplemented(REFCLSID rclsid);
#ifdef __cplusplus
}
#endif
#endif