55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1999.
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//
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// File: F I L T D E V . C P P
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//
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// Contents: Implements the object that represents filter devices.
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//
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// Notes:
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//
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// Author: shaunco 15 Jan 1999
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//
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//----------------------------------------------------------------------------
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#include <pch.h>
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#pragma hdrstop
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#include "filtdev.h"
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//static
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HRESULT
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CFilterDevice::HrCreateInstance (
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IN CComponent* pAdapter,
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IN CComponent* pFilter,
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IN const SP_DEVINFO_DATA* pdeid,
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IN PCWSTR pszInstanceGuid,
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OUT CFilterDevice** ppFilterDevice)
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{
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Assert (pAdapter);
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Assert (FIsEnumerated(pAdapter->Class()));
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Assert (pFilter);
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Assert (pFilter->FIsFilter());
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Assert (NC_NETSERVICE == pFilter->Class());
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Assert (pdeid);
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Assert (pszInstanceGuid && *pszInstanceGuid);
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Assert ((c_cchGuidWithTerm - 1) == wcslen(pszInstanceGuid));
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Assert (ppFilterDevice);
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HRESULT hr = E_OUTOFMEMORY;
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CFilterDevice* pFilterDevice = new CFilterDevice;
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if (pFilterDevice)
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{
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pFilterDevice->m_pAdapter = pAdapter;
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pFilterDevice->m_pFilter = pFilter;
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pFilterDevice->m_deid = *pdeid;
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wcscpy(pFilterDevice->m_szInstanceGuid, pszInstanceGuid);
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hr = S_OK;
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}
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*ppFilterDevice = pFilterDevice;
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TraceHr (ttidError, FAL, hr, FALSE, "CFilterDevice::HrCreateInstance");
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return hr;
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}
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