102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File:
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//
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// Contents: Common routines for dealing with INetCfg interfaces.
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//
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// Notes:
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//
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// Author: shaunco 24 Mar 1997
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifndef _NCNETCFG_H_
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#define _NCNETCFG_H_
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#include "netcfgx.h"
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#include "nccom.h"
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HRESULT
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HrFindComponents (
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INetCfg* pnc,
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ULONG cComponents,
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const GUID** apguidClass,
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const LPCWSTR* apszwComponentId,
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INetCfgComponent** apncc);
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//------------------------------------------------------------------------
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// CIterNetCfgComponent - iterator for IEnumNetCfgComponent
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//
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// This class is is a simple wrapper around CIEnumIter with a call
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// to INetCfgClass::EnumComponents to get the enumerator.
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//
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class CIterNetCfgComponent : public CIEnumIter<IEnumNetCfgComponent, INetCfgComponent*>
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{
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public:
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CIterNetCfgComponent (INetCfg* pnc, const GUID* pguid) NOTHROW;
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CIterNetCfgComponent (INetCfgClass* pncclass) NOTHROW;
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~CIterNetCfgComponent () NOTHROW { ReleaseObj(m_pec); m_pec = NULL; }
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protected:
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IEnumNetCfgComponent* m_pec;
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};
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inline CIterNetCfgComponent::CIterNetCfgComponent(INetCfg* pnc, const GUID* pguid) NOTHROW
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: CIEnumIter<IEnumNetCfgComponent, INetCfgComponent*> (NULL)
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{
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// If EnumComponents() fails, make sure ReleaseObj() won't die.
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m_pec = NULL;
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INetCfgClass* pncclass = NULL;
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m_hrLast = pnc->QueryNetCfgClass(pguid, IID_INetCfgClass,
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reinterpret_cast<void**>(&pncclass));
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if (SUCCEEDED(m_hrLast) && pncclass)
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{
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// Get the enumerator and set it for the base class.
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// Important to set m_hrLast so that if this fails, we'll also
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// fail any subsequent calls to HrNext.
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m_hrLast = pncclass->EnumComponents(&m_pec);
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if (SUCCEEDED(m_hrLast))
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{
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SetEnumerator(m_pec);
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}
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ReleaseObj(pncclass);
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pncclass = NULL;
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}
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// TraceHr (ttidError, FAL, m_hrLast, FALSE,
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// "CIterNetCfgComponent::CIterNetCfgComponent");
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}
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inline CIterNetCfgComponent::CIterNetCfgComponent(INetCfgClass* pncclass) NOTHROW
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: CIEnumIter<IEnumNetCfgComponent, INetCfgComponent*> (NULL)
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{
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// AssertH(pncclass);
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// If EnumComponents() fails, make sure ReleaseObj() won't die.
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m_pec = NULL;
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// Get the enumerator and set it for the base class.
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// Important to set m_hrLast so that if this fails, we'll also
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// fail any subsequent calls to HrNext.
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m_hrLast = pncclass->EnumComponents(&m_pec);
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if (SUCCEEDED(m_hrLast))
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{
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SetEnumerator(m_pec);
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}
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// TraceHr (ttidError, FAL, m_hrLast, FALSE,
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// "CIterNetCfgComponent::CIterNetCfgComponent");
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}
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#endif // _NCNETCFG_H_
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