85 lines
1.7 KiB
Plaintext
85 lines
1.7 KiB
Plaintext
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//-----------------------------------------------------------------------------
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//
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// File: LUnknown.inl
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// Copyright (C) 1994-1997 Microsoft Corporation
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// All rights reserved.
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//
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//
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//
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//-----------------------------------------------------------------------------
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//*****************************************************************************
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//
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// CLUnknown Constructions / Destruction
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//
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//*****************************************************************************
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///////////////////////////////////////////////////////////////////////////////
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inline
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CLUnknown::CLUnknown(
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IUnknown * pParent
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)
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{
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LTASSERT(pParent != NULL);
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m_ulRef = 0;
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m_pParent = pParent;
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m_pParent->AddRef();
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// AddRef(); // Don't AddRef() itself. The caller is expected to do this
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}
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///////////////////////////////////////////////////////////////////////////////
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inline
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CLUnknown::~CLUnknown()
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{
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LTASSERT(m_ulRef == 0);
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LTASSERT(m_pParent != NULL);
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m_pParent->Release();
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}
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//*****************************************************************************
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//
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// CLUnknown Operations
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//
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//*****************************************************************************
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///////////////////////////////////////////////////////////////////////////////
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inline
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ULONG
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CLUnknown::AddRef()
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{
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return ++m_ulRef;
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}
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///////////////////////////////////////////////////////////////////////////////
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inline
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ULONG
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CLUnknown::Release()
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{
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LTASSERT(m_ulRef > 0);
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if (--m_ulRef == 0)
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{
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delete this;
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return 0;
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}
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return m_ulRef;
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}
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///////////////////////////////////////////////////////////////////////////////
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inline
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HRESULT
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CLUnknown::QueryInterface(REFIID iid, LPVOID * ppvObject)
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{
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LTASSERT(ppvObject != NULL);
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return m_pParent->QueryInterface(iid, ppvObject);
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}
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