89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1998
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//
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// File: isearch.cxx
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//
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// Contents: The interface specific methods of CSearch
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//
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// History: 05-Dec-94 Created BartoszM
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//
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//--------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <isearch.hxx>
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//+-------------------------------------------------------------------------
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//
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// Method: CSearch::QueryInterface
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//
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// Synopsis: Rebind to other interface
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//
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// Arguments: [riid] -- IID of new interface
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// [ppvObject] -- New interface * returned here
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//
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// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
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//
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// History: 05-Dec-1994 BartoszM Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CSearch::QueryInterface( REFIID riid,
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void ** ppvObject)
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{
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if ( 0 == ppvObject )
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return E_INVALIDARG;
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if ( IID_ISearchQueryHits == riid )
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*ppvObject = (IUnknown *)(ISearchQueryHits *)this;
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else if ( IID_IUnknown == riid )
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*ppvObject = (IUnknown *) this;
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else
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{
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*ppvObject = 0;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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} //QueryInterface
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//+-------------------------------------------------------------------------
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//
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// Method: CSearch::AddRef
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//
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// Synopsis: Increments refcount
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//
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// History: 05-Dec-1994 BartoszM Created
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//
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//--------------------------------------------------------------------------
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ULONG STDMETHODCALLTYPE CSearch::AddRef()
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{
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return InterlockedIncrement( &_cRefs );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CSearch::Release
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//
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// Synopsis: Decrement refcount. Delete if necessary.
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//
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// History: 05-Dec-1994 BartoszM Created
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//
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//--------------------------------------------------------------------------
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ULONG STDMETHODCALLTYPE CSearch::Release()
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{
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unsigned long uTmp = InterlockedDecrement( &_cRefs );
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if ( 0 == uTmp )
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delete this;
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return uTmp;
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}
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