mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.4 KiB
68 lines
2.4 KiB
// Copyright (c) 2000-2001 Microsoft Corporation, All Rights Reserved
|
|
// CUnknown.h
|
|
|
|
#pragma once
|
|
|
|
|
|
/*****************************************************************************/
|
|
// Component
|
|
/*****************************************************************************/
|
|
|
|
class CUnknown : public IUnknown
|
|
{
|
|
public:
|
|
// Constructor
|
|
CUnknown();
|
|
|
|
// Destructor
|
|
virtual ~CUnknown();
|
|
|
|
// IDispatch declarartion
|
|
STDMETHOD(QueryInterface)(const IID& iid, void** ppv);
|
|
STDMETHOD_(ULONG,AddRef)();
|
|
STDMETHOD_(ULONG,Release)();
|
|
|
|
// Initialization
|
|
STDMETHOD(Init)();
|
|
|
|
// Count of currently active components
|
|
static long ActiveComponents()
|
|
{ return s_cActiveComponents ;}
|
|
|
|
// Notification to derived classes that we are releasing
|
|
STDMETHOD_(void,FinalRelease)() ;
|
|
|
|
|
|
protected:
|
|
// Event thread status
|
|
enum { Pending, Running, PendingStop, Stopped };
|
|
int m_eStatus;
|
|
HANDLE m_hEventThread;
|
|
|
|
|
|
|
|
private:
|
|
// Reference count
|
|
LONG m_cRef;
|
|
|
|
// Count of all active instances
|
|
static long s_cActiveComponents ;
|
|
};
|
|
|
|
|
|
/*****************************************************************************/
|
|
// Macro for easy declaration of IUnknown. Derived classes using this must
|
|
// still implement QueryInterface (specifying their own interfaces).
|
|
/*****************************************************************************/
|
|
#define DECLARE_IUNKNOWN \
|
|
STDMETHOD(QueryInterface)(const IID& iid, void** ppv); \
|
|
STDMETHOD_(ULONG,AddRef)() \
|
|
{ \
|
|
return CUnknown::AddRef(); \
|
|
} \
|
|
STDMETHOD_(ULONG,Release)() \
|
|
{ \
|
|
return CUnknown::Release(); \
|
|
} \
|
|
\
|
|
|