823 lines
20 KiB
C++
823 lines
20 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2001.
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//
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// File: B I N D I N G . C P P
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//
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// Contents: Functions to illustrate
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// o How to enumerate binding paths.
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// o How to enumerate binding interfaces.
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// o How to enable/disable bindings.
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//
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// Notes:
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//
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// Author: Alok Sinha 15-May-01
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//
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//----------------------------------------------------------------------------
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#include "bindview.h"
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//
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// Function: WriteBindings
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//
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// Purpose: Write bindings to specified file.
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//
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// Arguments:
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// fp [in] File handle.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID WriteBindings (FILE *fp)
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{
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INetCfg *pnc;
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IEnumNetCfgComponent *pencc;
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INetCfgComponent *pncc;
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LPWSTR lpszApp;
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HRESULT hr;
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UINT i;
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hr = HrGetINetCfg( FALSE,
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APP_NAME,
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&pnc,
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&lpszApp );
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if ( hr == S_OK ) {
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for (i=CLIENTS_SELECTED; i <= PROTOCOLS_SELECTED; ++i) {
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fwprintf( fp, L"--- Bindings of %s ---\n", lpszNetClass[i] );
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//
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// Get Component Enumerator Interface.
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//
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hr = HrGetComponentEnum( pnc,
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pguidNetClass[i],
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&pencc );
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if ( hr == S_OK ) {
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hr = HrGetFirstComponent( pencc, &pncc );
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while( hr == S_OK ) {
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//
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// Write bindings of the component.
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//
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WriteBindingPath( fp,
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pncc );
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ReleaseRef( pncc );
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fwprintf( fp, L"\n" );
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hr = HrGetNextComponent( pencc, &pncc );
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}
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fwprintf( fp, L"\n" );
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//
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// S_FALSE merely indicates that there are no more components.
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//
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if ( hr == S_FALSE ) {
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hr = S_OK;
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}
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ReleaseRef( pencc );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the component enumerator interface." );
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}
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}
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HrReleaseINetCfg( pnc, FALSE );
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}
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else {
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if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
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ErrMsg( hr,
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L"%s currently holds the lock, try later.",
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lpszApp );
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CoTaskMemFree( lpszApp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the notify object interface." );
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}
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}
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return;
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}
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//
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// Function: WriteBindingPath
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//
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// Purpose: Write binding paths of a component.
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//
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// Arguments:
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// fp [in] File handle.
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// pncc [in] Network component.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID WriteBindingPath (FILE *fp,
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INetCfgComponent *pncc)
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{
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IEnumNetCfgBindingPath *pencbp;
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INetCfgBindingPath *pncbp;
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LPWSTR lpszName;
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HRESULT hr;
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//
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// Write the first component's name.
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//
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hr = pncc->GetDisplayName( &lpszName );
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if ( hr == S_OK ) {
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fwprintf( fp, L"\n%s", lpszName );
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}
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else {
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ErrMsg( hr,
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L"Unable to get the display name of a component, "
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L" some binding paths will not be written." );
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return;
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}
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//
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// Get binding path enumerator.
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//
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hr = HrGetBindingPathEnum( pncc,
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EBP_BELOW,
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&pencbp );
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if ( hr == S_OK ) {
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hr = HrGetFirstBindingPath( pencbp,
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&pncbp );
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while( hr == S_OK ) {
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//
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// Write interfaces of the binding path.
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//
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WriteInterfaces( fp,
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pncbp );
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ReleaseRef( pncbp );
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hr = HrGetNextBindingPath( pencbp,
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&pncbp );
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if ( hr == S_OK ) {
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fwprintf( fp, L"\n%s", lpszName );
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}
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}
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ReleaseRef( pencbp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the binding path enumerator of %s. "
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L"Its binding paths will not be written.",
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lpszName );
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}
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CoTaskMemFree( lpszName );
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return;
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}
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//
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// Function: WriteInterfaces
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//
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// Purpose: Write bindings to specified file.
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//
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// Arguments:
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// fp [in] File handle.
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// pncbp [in] Binding path.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID WriteInterfaces (FILE *fp,
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INetCfgBindingPath *pncbp)
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{
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IEnumNetCfgBindingInterface *pencbi;
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INetCfgBindingInterface *pncbi;
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INetCfgComponent *pnccLower;
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LPWSTR lpszName;
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HRESULT hr;
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hr = HrGetBindingInterfaceEnum( pncbp,
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&pencbi );
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if ( hr == S_OK ) {
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hr = HrGetFirstBindingInterface( pencbi,
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&pncbi );
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//
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// Write lower component of each interface.
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//
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while( hr == S_OK ) {
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hr = pncbi->GetLowerComponent ( &pnccLower );
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if ( hr == S_OK ) {
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hr = pnccLower->GetDisplayName( &lpszName );
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if ( hr == S_OK ) {
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fwprintf( fp, L"-->%s", lpszName );
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CoTaskMemFree( lpszName );
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}
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}
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ReleaseRef( pnccLower );
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ReleaseRef( pncbi );
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hr = HrGetNextBindingInterface( pencbi,
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&pncbi );
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}
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ReleaseRef( pencbi );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the binding interface enumerator."
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L"The binding interfaces will not be shown." );
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}
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return;
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}
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//
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// Function: EnumNetBindings
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//
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// Purpose: Enumerate components and their bindings.
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//
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// Arguments:
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// hwndTree [in] Tree handle.
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// uiTypeSelected [in] Type of network component selected.
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//
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// Returns: TRUE on success.
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//
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// Notes:
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//
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BOOL EnumNetBindings (HWND hwndTree,
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UINT uiTypeSelected)
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{
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INetCfg *pnc;
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IEnumNetCfgComponent *pencc;
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INetCfgComponent *pncc;
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LPWSTR lpszApp;
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HTREEITEM hTreeItem;
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HRESULT hr;
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hr = HrGetINetCfg( FALSE,
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APP_NAME,
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&pnc,
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&lpszApp );
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if ( hr == S_OK ) {
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//
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// Get Component Enumerator Interface.
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//
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hr = HrGetComponentEnum( pnc,
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pguidNetClass[uiTypeSelected],
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&pencc );
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if ( hr == S_OK ) {
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hr = HrGetFirstComponent( pencc, &pncc );
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while( hr == S_OK ) {
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//
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// Add the component's name to the tree.
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//
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hTreeItem = AddToTree( hwndTree,
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TVI_ROOT,
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pncc );
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if ( hTreeItem ) {
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//
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// Enumerate bindings.
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//
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ListBindings( pncc,
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hwndTree,
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hTreeItem );
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}
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ReleaseRef( pncc );
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hr = HrGetNextComponent( pencc, &pncc );
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}
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//
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// S_FALSE merely indicates that there are no more components.
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//
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if ( hr == S_FALSE ) {
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hr = S_OK;
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}
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ReleaseRef( pencc );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the component enumerator interface." );
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}
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HrReleaseINetCfg( pnc, FALSE );
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}
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else {
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if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
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ErrMsg( hr,
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L"%s currently holds the lock, try later.",
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lpszApp );
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CoTaskMemFree( lpszApp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the notify object interface." );
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}
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}
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return hr == S_OK;
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}
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//
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// Function: ListBindings
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//
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// Purpose: Enumerate bindings of network components.
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//
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// Arguments:
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// pncc [in] Network component.
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// hwndTree [in] Tree handle.
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// hTreeItemRoot [in] Parent item.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID ListBindings (INetCfgComponent *pncc,
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HWND hwndTree,
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HTREEITEM hTreeItemRoot)
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{
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IEnumNetCfgBindingPath *pencbp;
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INetCfgBindingPath *pncbp;
|
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HTREEITEM hTreeItem;
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|
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ULONG ulIndex;
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HRESULT hr;
|
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|
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|
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hr = HrGetBindingPathEnum( pncc,
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EBP_BELOW,
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&pencbp );
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if ( hr == S_OK ) {
|
||
|
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hr = HrGetFirstBindingPath( pencbp,
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&pncbp );
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ulIndex = 1;
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|
||
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while( hr == S_OK ) {
|
||
|
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|
||
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//
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||
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// Add an item for the binding path.
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||
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//
|
||
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|
||
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hTreeItem = AddBindNameToTree( pncbp,
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|
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hwndTree,
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hTreeItemRoot,
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ulIndex );
|
||
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|
||
|
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if ( hTreeItem ) {
|
||
|
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|
||
|
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//
|
||
|
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// Enumerate interfaces.
|
||
|
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//
|
||
|
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|
||
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ListInterfaces( pncbp,
|
||
|
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hwndTree,
|
||
|
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hTreeItem );
|
||
|
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}
|
||
|
|
|
||
|
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ReleaseRef( pncbp );
|
||
|
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|
||
|
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hr = HrGetNextBindingPath( pencbp,
|
||
|
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&pncbp );
|
||
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|
||
|
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ulIndex++;
|
||
|
|
}
|
||
|
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|
||
|
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ReleaseRef( pencbp );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
LPWSTR lpszName;
|
||
|
|
|
||
|
|
if ( pncc->GetDisplayName(&lpszName) == S_OK ) {
|
||
|
|
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Couldn't get the binding path enumerator of %s. "
|
||
|
|
L"Its binding paths will not be shown.",
|
||
|
|
lpszName );
|
||
|
|
|
||
|
|
CoTaskMemFree( lpszName );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Couldn't get the binding path enumerator of a "
|
||
|
|
L"network component. The binding paths will not "
|
||
|
|
L"be shown." );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Function: ListInterfaces
|
||
|
|
//
|
||
|
|
// Purpose: Enumerate interfaces of a binding path.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pncbp [in] Binding path.
|
||
|
|
// hwndTree [in] Tree handle.
|
||
|
|
// hTreeItemRoot [in] Parent item.
|
||
|
|
//
|
||
|
|
// Returns: None.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
|
||
|
|
VOID ListInterfaces (INetCfgBindingPath *pncbp,
|
||
|
|
HWND hwndTree,
|
||
|
|
HTREEITEM hTreeItemRoot)
|
||
|
|
{
|
||
|
|
IEnumNetCfgBindingInterface *pencbi;
|
||
|
|
INetCfgBindingInterface *pncbi;
|
||
|
|
INetCfgComponent *pnccBound;
|
||
|
|
HTREEITEM hTreeItem;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
hr = HrGetBindingInterfaceEnum( pncbp,
|
||
|
|
&pencbi );
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
|
||
|
|
hr = HrGetFirstBindingInterface( pencbi,
|
||
|
|
&pncbi );
|
||
|
|
hTreeItem = hTreeItemRoot;
|
||
|
|
|
||
|
|
while( (hr == S_OK) && hTreeItem ) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Add lower component of every interface to the tree.
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pncbi->GetLowerComponent( &pnccBound );
|
||
|
|
|
||
|
|
hTreeItem = AddToTree( hwndTree,
|
||
|
|
hTreeItem,
|
||
|
|
pnccBound );
|
||
|
|
|
||
|
|
ReleaseRef( pnccBound );
|
||
|
|
ReleaseRef( pncbi );
|
||
|
|
|
||
|
|
hr = HrGetNextBindingInterface( pencbi,
|
||
|
|
&pncbi );
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If hr is S_OK then, the loop terminated due to error in adding
|
||
|
|
// the binding path to the tree and pncbi has a reference to an
|
||
|
|
// interface.
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
|
||
|
|
ReleaseRef( pncbi );
|
||
|
|
}
|
||
|
|
|
||
|
|
ReleaseRef( pencbi );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Couldn't get the binding interface enumerator."
|
||
|
|
L"The binding interfaces will not be shown." );
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Function: HandleBindingPathOperation
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// hwndOwner [in] Owner window.
|
||
|
|
// ulSelection [in] Option selected.
|
||
|
|
// hItem [in] Item selected.
|
||
|
|
// lParam [in] lParam of the item.
|
||
|
|
//
|
||
|
|
// Returns: None.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
|
||
|
|
VOID HandleBindingPathOperation (HWND hwndOwner,
|
||
|
|
ULONG ulSelection,
|
||
|
|
HTREEITEM hItem,
|
||
|
|
LPARAM lParam)
|
||
|
|
{
|
||
|
|
switch( ulSelection ) {
|
||
|
|
|
||
|
|
case IDI_ENABLE:
|
||
|
|
case IDI_DISABLE:
|
||
|
|
|
||
|
|
//
|
||
|
|
// Enable/disable binding path.
|
||
|
|
//
|
||
|
|
|
||
|
|
EnableBindingPath( hwndOwner,
|
||
|
|
hItem,
|
||
|
|
(LPWSTR)lParam,
|
||
|
|
ulSelection == IDI_ENABLE );
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Function: EnableBindingPath
|
||
|
|
//
|
||
|
|
// Purpose: Enable/disable binding path.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// hwndOwner [in] Owner window.
|
||
|
|
// hItem [in] Item handle of the binding path.
|
||
|
|
// lpszPathToken [in] Path token of the binding path.
|
||
|
|
// fEnable [in] if TRUE, enable, otherwise disable.
|
||
|
|
//
|
||
|
|
// Returns: None.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
|
||
|
|
VOID EnableBindingPath (HWND hwndOwner,
|
||
|
|
HTREEITEM hItem,
|
||
|
|
LPWSTR lpszPathToken,
|
||
|
|
BOOL fEnable)
|
||
|
|
{
|
||
|
|
INetCfg *pnc;
|
||
|
|
INetCfgBindingPath *pncbp;
|
||
|
|
LPWSTR lpszInfId;
|
||
|
|
LPWSTR lpszApp;
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get PnpID of the owner component.
|
||
|
|
//
|
||
|
|
|
||
|
|
lpszInfId = GetComponentId( hwndOwner,
|
||
|
|
hItem );
|
||
|
|
|
||
|
|
if ( lpszInfId ) {
|
||
|
|
|
||
|
|
hr = HrGetINetCfg( TRUE,
|
||
|
|
APP_NAME,
|
||
|
|
&pnc,
|
||
|
|
&lpszApp );
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Find the binding path reference.
|
||
|
|
//
|
||
|
|
|
||
|
|
pncbp = FindBindingPath( pnc,
|
||
|
|
lpszInfId,
|
||
|
|
lpszPathToken );
|
||
|
|
|
||
|
|
if ( pncbp ) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Enable/disable.
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pncbp->Enable( fEnable );
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
hr = pnc->Apply();
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Refreshe the state of the item representing the
|
||
|
|
// binding path.
|
||
|
|
//
|
||
|
|
|
||
|
|
RefreshItemState( hwndOwner,
|
||
|
|
hItem,
|
||
|
|
fEnable );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Failed to apply changes to the binding path." );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if ( fEnable ) {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Failed to enable the binding path." );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Failed to disable the binding path." );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ReleaseRef( pncbp );
|
||
|
|
}
|
||
|
|
|
||
|
|
HrReleaseINetCfg( pnc,
|
||
|
|
TRUE );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"%s currently holds the lock, try later.",
|
||
|
|
lpszApp );
|
||
|
|
|
||
|
|
CoTaskMemFree( lpszApp );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Couldn't get the notify object interface." );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( HRESULT_FROM_WIN32(GetLastError()),
|
||
|
|
L"Couldn't determine the owner of the binding path." );
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Function: GetComponentId
|
||
|
|
//
|
||
|
|
// Purpose: Find the PnpID of a network component.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// hwndTree [in] Tree handle.
|
||
|
|
// hItem [in] Item handle of the binding path.
|
||
|
|
//
|
||
|
|
// Returns: PnpID of the network component.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
|
||
|
|
LPWSTR GetComponentId (HWND hwndTree,
|
||
|
|
HTREEITEM hItem)
|
||
|
|
{
|
||
|
|
LPWSTR lpszInfId;
|
||
|
|
HTREEITEM hTreeItemParent;
|
||
|
|
TVITEMW tvItem;
|
||
|
|
|
||
|
|
lpszInfId = NULL;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the item handle of the owner component.
|
||
|
|
//
|
||
|
|
|
||
|
|
hTreeItemParent = TreeView_GetParent( hwndTree,
|
||
|
|
hItem );
|
||
|
|
if ( hTreeItemParent ) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get lParam of the owner component. lParam is the PnpID.
|
||
|
|
//
|
||
|
|
|
||
|
|
ZeroMemory( &tvItem,
|
||
|
|
sizeof(TVITEMW) );
|
||
|
|
|
||
|
|
tvItem.hItem = hTreeItemParent;
|
||
|
|
tvItem.mask = TVIF_PARAM;
|
||
|
|
|
||
|
|
if ( TreeView_GetItem(hwndTree,
|
||
|
|
&tvItem) ) {
|
||
|
|
|
||
|
|
lpszInfId = (LPWSTR)tvItem.lParam;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return lpszInfId;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Function: WriteBindings
|
||
|
|
//
|
||
|
|
// Purpose: Find the binding path with a give path token.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pnc [in] INetCfg reference.
|
||
|
|
// lpszInfId [in] PnpID of the network component.
|
||
|
|
// lpszPathTokenSelected [in] Path token of the binding path to search.
|
||
|
|
//
|
||
|
|
// Returns: Reference to the binding path on success, otherwise NULL.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
|
||
|
|
INetCfgBindingPath *FindBindingPath (INetCfg *pnc,
|
||
|
|
LPWSTR lpszInfId,
|
||
|
|
LPWSTR lpszPathTokenSelected)
|
||
|
|
{
|
||
|
|
INetCfgComponent *pncc;
|
||
|
|
IEnumNetCfgBindingPath *pencbp;
|
||
|
|
INetCfgBindingPath *pncbp;
|
||
|
|
LPWSTR lpszPathToken;
|
||
|
|
HRESULT hr;
|
||
|
|
BOOL fFound;
|
||
|
|
|
||
|
|
|
||
|
|
fFound = FALSE;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the component reference.
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pnc->FindComponent( lpszInfId,
|
||
|
|
&pncc );
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
|
||
|
|
hr = HrGetBindingPathEnum( pncc,
|
||
|
|
EBP_BELOW,
|
||
|
|
&pencbp );
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
|
||
|
|
hr = HrGetFirstBindingPath( pencbp,
|
||
|
|
&pncbp );
|
||
|
|
|
||
|
|
// Enumerate each binding path and find the one
|
||
|
|
// whose path token matches the specified one.
|
||
|
|
//
|
||
|
|
|
||
|
|
while ( !fFound && (hr == S_OK) ) {
|
||
|
|
|
||
|
|
hr = pncbp->GetPathToken( &lpszPathToken );
|
||
|
|
|
||
|
|
if ( hr == S_OK ) {
|
||
|
|
fFound = !wcscmp( lpszPathToken,
|
||
|
|
lpszPathTokenSelected );
|
||
|
|
|
||
|
|
CoTaskMemFree( lpszPathToken );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( !fFound ) {
|
||
|
|
ReleaseRef( pncbp );
|
||
|
|
|
||
|
|
hr = HrGetNextBindingPath( pencbp,
|
||
|
|
&pncbp );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ReleaseRef( pencbp );
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Couldn't get the binding path enumerator interface." );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ErrMsg( hr,
|
||
|
|
L"Couldn't get an interface pointer to %s.",
|
||
|
|
lpszInfId );
|
||
|
|
}
|
||
|
|
|
||
|
|
return (fFound) ? pncbp : NULL;
|
||
|
|
}
|