windows-nt/Source/XPSP1/NT/admin/wmi/wbem/winmgmt/eventprovshell/evprov.h

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2020-09-26 03:20:57 -05:00
/*++
Copyright (C) 1997-2001 Microsoft Corporation
Module Name:
Abstract:
History:
--*/
//***************************************************************************
//
// EVPROV.H
//
// Sample event provider.
//
// raymcc 14-Aug-97
//
//***************************************************************************
#ifndef _EVPROV_H_
#define _EVPROV_H_
#define EVENTCLASS L"MyEvent"
class CMyEventProvider : public IWbemEventProvider, public IWbemProviderInit
{
ULONG m_cRef;
IWbemServices *m_pNs;
IWbemObjectSink *m_pSink;
IWbemClassObject *m_pEventClassDef;
int m_eStatus;
HANDLE m_hThread;
static DWORD WINAPI EventThread(LPVOID pArg);
void InstanceThread();
public:
enum { Pending, Running, PendingStop, Stopped };
CMyEventProvider();
~CMyEventProvider();
//
// IUnknown members
//
STDMETHODIMP QueryInterface(REFIID, LPVOID *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// Inherited from IWbemEventProvider
// =================================
HRESULT STDMETHODCALLTYPE ProvideEvents(
/* [in] */ IWbemObjectSink __RPC_FAR *pSink,
/* [in] */ long lFlags
);
// Inherited from IWbemProviderInit
// ================================
HRESULT STDMETHODCALLTYPE Initialize(
/* [in] */ LPWSTR pszUser,
/* [in] */ LONG lFlags,
/* [in] */ LPWSTR pszNamespace,
/* [in] */ LPWSTR pszLocale,
/* [in] */ IWbemServices __RPC_FAR *pNamespace,
/* [in] */ IWbemContext __RPC_FAR *pCtx,
/* [in] */ IWbemProviderInitSink __RPC_FAR *pInitSink
);
};
#endif