151 lines
3.6 KiB
C
151 lines
3.6 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.
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//
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// File: N C N E T C O N . H
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//
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// Contents: Common routines for dealing with the connections interfaces.
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//
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// Notes:
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//
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// Author: shaunco 25 Jan 1998
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifndef _NCNETCON_H_
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#define _NCNETCON_H_
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#include "nccom.h"
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#include "netconp.h"
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#include "oleauto.h"
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typedef enum tagNETCONPROPS_EX_FIELDS
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{
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NCP_DWSIZE = 0,
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NCP_GUIDID,
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NCP_BSTRNAME,
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NCP_BSTRDEVICENAME,
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NCP_NCSTATUS,
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NCP_MEDIATYPE,
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NCP_SUBMEDIATYPE,
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NCP_DWCHARACTER,
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NCP_CLSIDTHISOBJECT,
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NCP_CLSIDUIOBJECT,
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NCP_BSTRPHONEORHOSTADDRESS,
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NCP_BSTRPERSISTDATA,
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NCP_MAX = NCP_BSTRPERSISTDATA,
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NCP_ELEMENTS = NCP_MAX + 1
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} NETCONPROPS_EX_FIELDS;
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BOOL
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FAnyReasonToEnumerateConnectionsForShowIconInfo (
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VOID);
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BOOL
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FIsValidConnectionName(
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IN PCWSTR pszName);
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VOID
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FreeNetconProperties (
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IN NETCON_PROPERTIES* pProps);
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HRESULT
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HrGetConnectionPersistData (
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IN INetConnection* pConn,
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OUT BYTE** ppbData,
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OUT ULONG* pulSize,
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OUT CLSID* pclsid OPTIONAL);
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HRESULT
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HrGetConnectionFromPersistData (
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IN const CLSID& clsid,
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IN const BYTE* pbData,
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IN ULONG cbData,
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IN REFIID riid,
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OUT VOID** ppv);
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//------------------------------------------------------------------------
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// CIterNetCon - iterator for IEnumNetConnection
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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 INetConnectionManager::EnumConnections to get the enumerator.
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//
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class CIterNetCon : public CIEnumIter<IEnumNetConnection, INetConnection*>
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{
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public:
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NOTHROW CIterNetCon (
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INetConnectionManager* pConMan,
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NETCONMGR_ENUM_FLAGS Flags);
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NOTHROW ~CIterNetCon () { ReleaseObj (m_pEnum); }
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// Specialization to set the proxy blanket before returning
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NOTHROW HRESULT HrNext(INetConnection ** ppConnection);
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protected:
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IEnumNetConnection* m_pEnum;
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};
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inline NOTHROW CIterNetCon::CIterNetCon (
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INetConnectionManager* pConMan,
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NETCONMGR_ENUM_FLAGS Flags
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)
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: CIEnumIter<IEnumNetConnection, INetConnection*> (NULL)
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{
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AssertH (pConMan);
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// If EnumConnections() fails, make sure ReleaseObj() won't die.
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m_pEnum = 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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//
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m_hrLast = pConMan->EnumConnections (Flags, &m_pEnum);
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TraceHr (ttidError, FAL, m_hrLast, FALSE,
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"INetConnectionManager->EnumConnections");
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if (SUCCEEDED(m_hrLast))
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{
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NcSetProxyBlanket (m_pEnum);
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SetEnumerator (m_pEnum);
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}
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TraceHr (ttidError, FAL, m_hrLast, FALSE, "CIterNetCon::CIterNetCon");
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}
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// Specialization to set the proxy blanket before returning
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inline NOTHROW HRESULT CIterNetCon::HrNext(INetConnection ** ppConnection)
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{
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HRESULT hr = CIEnumIter<IEnumNetConnection, INetConnection*>::HrNext(ppConnection);
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if(SUCCEEDED(hr) && *ppConnection)
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{
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NcSetProxyBlanket(*ppConnection);
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}
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return hr;
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}
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VOID
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SetOrQueryAtLeastOneLanWithShowIcon (
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IN BOOL fSet,
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IN BOOL fSetValue,
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OUT BOOL* pfQueriedValue);
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HRESULT
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HrSafeArrayFromNetConPropertiesEx (
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IN NETCON_PROPERTIES_EX* pPropsEx,
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OUT SAFEARRAY** ppsaProperties);
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HRESULT HrNetConPropertiesExFromSafeArray(
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IN SAFEARRAY* psaProperties,
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OUT NETCON_PROPERTIES_EX** pPropsEx);
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HRESULT HrFreeNetConProperties2(
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NETCON_PROPERTIES_EX* pPropsEx);
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#endif // _NCNETCON_H_
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