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379 lines
9.5 KiB
379 lines
9.5 KiB
/******************************************************************************
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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Connectivity.cpp
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Abstract:
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This file contains the implementation of the CPCHConnectivity class.
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Revision History:
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Davide Massarenti (Dmassare) 04/15/2000
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created
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******************************************************************************/
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#include "stdafx.h"
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//
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// Required by REGSTR_* macros.
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//
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#ifdef __TEXT
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#undef __TEXT
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#define __TEXT(quote) L##quote // r_winnt
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#endif
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#include <ras.h>
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#include <raserror.h>
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#include <inetreg.h>
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#include <Iphlpapi.h>
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static const WCHAR c_szURL_Connection[] = L"hcp://system/errors/Connection.htm";
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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CPCHConnectivity::CPCHConnectivity()
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{
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m_parent = NULL; // CPCHHelpCenterExternal* m_parent;
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}
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HRESULT CPCHConnectivity::ConnectToParent( /*[in]*/ CPCHHelpCenterExternal* parent )
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{
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m_parent = parent;
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return S_OK;
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}
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STDMETHODIMP CPCHConnectivity::get_IsAModem( /*[out, retval]*/ VARIANT_BOOL *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::get_IsAModem" );
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HRESULT hr;
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DWORD dwMode = 0;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
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__MPC_PARAMCHECK_END();
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if(::InternetGetConnectedState( &dwMode, 0 ) == TRUE)
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{
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if(dwMode & INTERNET_CONNECTION_MODEM) *pVal = VARIANT_TRUE;
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}
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::get_IsALan( /*[out, retval]*/ VARIANT_BOOL *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::get_IsALan" );
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HRESULT hr;
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DWORD dwMode = 0;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
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__MPC_PARAMCHECK_END();
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if(::InternetGetConnectedState( &dwMode, 0 ) == TRUE)
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{
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if(dwMode & INTERNET_CONNECTION_LAN) *pVal = VARIANT_TRUE;
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}
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::get_AutoDialEnabled( /*[out, retval]*/ VARIANT_BOOL *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::get_AutoDialEnabled" );
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HRESULT hr;
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DWORD dwValue;
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bool fFound;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
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__MPC_PARAMCHECK_END();
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__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::RegKey_Value_Read( dwValue, fFound, REGSTR_PATH_INTERNET_SETTINGS, REGSTR_VAL_ENABLEAUTODIAL, HKEY_CURRENT_USER ));
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if(fFound && dwValue != 0) *pVal = VARIANT_TRUE;
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::get_HasConnectoid( /*[out, retval]*/ VARIANT_BOOL *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::get_HasConnectoid" );
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HRESULT hr;
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RASENTRYNAMEW* pEntries = NULL;
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DWORD cb = sizeof(*pEntries);
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DWORD cEntries = 0;
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DWORD dwRet;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
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__MPC_PARAMCHECK_END();
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for(int pass=0; pass<2; pass++)
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{
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__MPC_EXIT_IF_ALLOC_FAILS(hr, pEntries, (RASENTRYNAMEW*)malloc( cb ));
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::ZeroMemory( pEntries, cb ); pEntries[0].dwSize = sizeof(*pEntries);
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dwRet = ::RasEnumEntriesW( NULL, NULL, pEntries, &cb, &cEntries );
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if(dwRet == ERROR_SUCCESS) break;
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if(dwRet == ERROR_BUFFER_TOO_SMALL)
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{
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free( pEntries ); pEntries = NULL; continue;
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}
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__MPC_SET_WIN32_ERROR_AND_EXIT(hr, dwRet);
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}
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*pVal = (cEntries > 0) ? VARIANT_TRUE : VARIANT_FALSE;
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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if(pEntries) free( pEntries );
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::get_IPAddresses( /*[out, retval]*/ BSTR *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::get_IPAddresses" );
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HRESULT hr;
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IP_ADAPTER_INFO* pAdapterInfo = NULL;
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ULONG cb = 1024; // Start with a default buffer.
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MPC::wstring strList;
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DWORD dwRet;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,NULL);
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__MPC_PARAMCHECK_END();
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for(int pass=0; pass<2; pass++)
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{
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__MPC_EXIT_IF_ALLOC_FAILS(hr, pAdapterInfo, (IP_ADAPTER_INFO*)malloc( cb ));
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::ZeroMemory( pAdapterInfo, cb );
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dwRet = ::GetAdaptersInfo( pAdapterInfo, &cb );
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if(dwRet == ERROR_SUCCESS) break;
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if(dwRet == ERROR_BUFFER_TOO_SMALL)
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{
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free( pAdapterInfo ); pAdapterInfo = NULL; continue;
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}
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__MPC_SET_WIN32_ERROR_AND_EXIT(hr, dwRet);
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}
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if(pAdapterInfo)
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{
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IP_ADAPTER_INFO* ptr = pAdapterInfo;
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while(ptr)
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{
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IP_ADDR_STRING* addr = &ptr->IpAddressList;
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while(addr)
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{
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WCHAR rgAddr[4 * 4 + 1]; ::MultiByteToWideChar( CP_ACP, 0, addr->IpAddress.String, -1, rgAddr, MAXSTRLEN(rgAddr) ); rgAddr[MAXSTRLEN(rgAddr)] = 0;
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if(strList.size()) strList.append( L";" );
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strList.append( rgAddr );
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addr = addr->Next;
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}
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ptr = ptr->Next;
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}
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}
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__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::GetBSTR( strList.c_str(), pVal ));
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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if(pAdapterInfo) free( pAdapterInfo );
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__HCP_FUNC_EXIT(hr);
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}
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////////////////////////////////////////
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STDMETHODIMP CPCHConnectivity::CreateObject_ConnectionCheck( /*[out, retval]*/ IPCHConnectionCheck* *ppCC )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::CreateObject_ConnectionCheck" );
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HRESULT hr;
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CComPtr<CPCHConnectionCheck> cc;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(ppCC,NULL);
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__MPC_PARAMCHECK_END();
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__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &cc ));
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__MPC_EXIT_IF_METHOD_FAILS(hr, cc.QueryInterface( ppCC ));
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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////////////////////////////////////////
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STDMETHODIMP CPCHConnectivity::NetworkAlive( /*[out, retval]*/ VARIANT_BOOL *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::NetworkAlive" );
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HRESULT hr;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
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__MPC_PARAMCHECK_END();
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*pVal = SUCCEEDED(MPC::Connectivity::NetworkAlive( HC_TIMEOUT_NETWORKALIVE )) ? VARIANT_TRUE : VARIANT_FALSE;
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::DestinationReachable( /*[in]*/ BSTR bstrURL, /*[out, retval]*/ VARIANT_BOOL *pVal )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::DestinationReachable" );
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HRESULT hr;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_STRING_NOT_EMPTY(bstrURL);
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__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
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__MPC_PARAMCHECK_END();
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if(SUCCEEDED(HyperLinks::IsValid ( bstrURL )) &&
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SUCCEEDED(MPC::Connectivity::DestinationReachable( bstrURL, HC_TIMEOUT_DESTINATIONREACHABLE, NULL )) )
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{
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*pVal = VARIANT_TRUE;
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}
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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////////////////////////////////////////
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STDMETHODIMP CPCHConnectivity::AutoDial( /*[in]*/ VARIANT_BOOL bUnattended )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::AutoDial" );
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HRESULT hr;
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//
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// Only call the Autodial API if we are really offline.
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//
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if(FAILED(MPC::Connectivity::NetworkAlive( HC_TIMEOUT_NETWORKALIVE )))
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{
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if(!::InternetAutodial( bUnattended == VARIANT_TRUE ? INTERNET_AUTODIAL_FORCE_UNATTENDED : INTERNET_AUTODIAL_FORCE_ONLINE, NULL ))
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{
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__MPC_SET_WIN32_ERROR_AND_EXIT(hr, ::GetLastError());
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}
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}
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::AutoDialHangup()
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::AutoDialHangup" );
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HRESULT hr;
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if(!::InternetAutodialHangup( 0 ))
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{
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__MPC_SET_WIN32_ERROR_AND_EXIT(hr, ::GetLastError());
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}
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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STDMETHODIMP CPCHConnectivity::NavigateOnline( /*[in ]*/ BSTR bstrTargetURL ,
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/*[in ]*/ BSTR bstrTopicTitle ,
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/*[in ]*/ BSTR bstrTopicIntro ,
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/*[in,optional]*/ VARIANT vOfflineURL )
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{
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__HCP_FUNC_ENTRY( "CPCHConnectivity::NavigateOnline" );
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HRESULT hr;
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MPC::wstring strURL;
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__MPC_PARAMCHECK_BEGIN(hr)
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__MPC_PARAMCHECK_STRING_NOT_EMPTY(bstrTargetURL);
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__MPC_PARAMCHECK_NOTNULL(m_parent);
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__MPC_PARAMCHECK_END();
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MPC::HTML::vBuildHREF( strURL, c_szURL_Connection, L"online_url" , bstrTargetURL ,
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L"topic_title", bstrTopicTitle ,
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L"topic_intro", bstrTopicIntro ,
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L"offline_url", vOfflineURL.vt == VT_BSTR ? vOfflineURL .bstrVal : NULL,
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NULL );
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__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->SetPanelUrl( HSCPANEL_CONTENTS, strURL.c_str() ));
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hr = S_OK;
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__HCP_FUNC_CLEANUP;
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__HCP_FUNC_EXIT(hr);
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}
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