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373 lines
10 KiB
373 lines
10 KiB
// stdcdata.cpp : Implementation of CComponentData
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#include "stdcdata.h"
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#include "guidhelp.h" // ExtractObjectTypeGUID
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#include "stddtobj.h" // CDataObject::m_CFRawCookie
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#include "stdrsrc.h" // IDS_FRAMEWORK_*
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//
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// CComponentData
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//
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CComponentData::CComponentData()
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: m_pConsole( NULL ),
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m_pConsoleNameSpace( NULL )
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{
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}
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CComponentData::~CComponentData()
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{
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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ASSERT(NULL == m_pConsole && NULL == m_pConsoleNameSpace); // object should be Destroy()ed before being Release()d
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SAFE_RELEASE( m_pConsole );
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SAFE_RELEASE( m_pConsoleNameSpace );
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}
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HRESULT CComponentData::OnNotifyExpand(LPDATAOBJECT /*lpDataObject*/, BOOL /*bExpanding*/, HSCOPEITEM /*hParent*/)
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{
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return S_OK;
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}
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HRESULT CComponentData::OnNotifyPreload(LPDATAOBJECT /*lpDataObject*/, HSCOPEITEM /*hRootScopeItem*/)
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{
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return S_OK;
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}
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HRESULT CComponentData::OnNotifyRename(LPDATAOBJECT /*lpDataObject*/, LPARAM arg, LPARAM /*param*/)
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{
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// by default, do not allow rename
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return (0 == arg) ? S_FALSE : S_OK;
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}
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HRESULT CComponentData::OnNotifyDelete(LPDATAOBJECT /*lpDataObject*/)
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{
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ASSERT(FALSE); // Why did you enable the Delete command if you won't handle it?
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return S_OK;
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}
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HRESULT CComponentData::OnNotifyRelease(LPDATAOBJECT /*lpDataObject*/, HSCOPEITEM /*hItem*/)
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{
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ASSERT(FALSE); // You will leak memory if you don't handle this
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return S_OK;
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}
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/////////////////////////////////////////////////////////////////////
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// Virtual function called by CComponentData::IComponentData::Notify(MMCN_PROPERTY_CHANGE)
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// OnPropertyChange() is generated by MMCPropertyChangeNotify( param )
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HRESULT CComponentData::OnPropertyChange( LPARAM /*param*/ )
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{
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return S_OK;
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}
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/*
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* IComponentData
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*/
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STDMETHODIMP CComponentData::Initialize(LPUNKNOWN pUnknown)
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{
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MFC_TRY;
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// ISSUE-2002/03/28-JonN handle NULL parameter
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ASSERT(pUnknown != NULL);
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// MMC should only call ::Initialize once!
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ASSERT(NULL == m_pConsoleNameSpace);
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SAFE_RELEASE( m_pConsoleNameSpace );
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HRESULT hr = pUnknown->QueryInterface(IID_IConsoleNameSpace,
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reinterpret_cast<void**>(&m_pConsoleNameSpace));
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ASSERT( SUCCEEDED(hr) );
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// add the images for the scope tree
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// ISSUE-2002/03/28-JonN use smartpointer
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LPIMAGELIST lpScopeImage = NULL;
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ASSERT(NULL == m_pConsole);
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SAFE_RELEASE( m_pConsole );
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hr = pUnknown->QueryInterface(IID_IConsole, reinterpret_cast<void**>(&m_pConsole));
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ASSERT( SUCCEEDED(hr) );
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hr = m_pConsole->QueryScopeImageList(&lpScopeImage);
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ASSERT( SUCCEEDED(hr) );
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hr = LoadIcons(lpScopeImage, FALSE);
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ASSERT( SUCCEEDED(hr) );
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lpScopeImage->Release();
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MFC_CATCH;
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return S_OK;
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}
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STDMETHODIMP CComponentData::Notify(LPDATAOBJECT lpDataObject, MMC_NOTIFY_TYPE event, LPARAM arg, LPARAM param)
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{
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HRESULT hr = S_OK;
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MFC_TRY;
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switch(event)
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{
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case MMCN_EXPAND:
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hr = OnNotifyExpand( lpDataObject, (BOOL)arg, (HSCOPEITEM)param );
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break;
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case MMCN_RENAME:
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hr = OnNotifyRename( lpDataObject, arg, param );
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break;
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case MMCN_DELETE:
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hr = OnNotifyDelete( lpDataObject );
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break;
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case MMCN_REMOVE_CHILDREN:
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hr = OnNotifyRelease( lpDataObject, arg );
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break;
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case MMCN_PRELOAD:
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hr = OnNotifyPreload (lpDataObject, (HSCOPEITEM) arg);
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break;
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case MMCN_PROPERTY_CHANGE:
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// CODEWORK arg is "fScopePane", should this be passed on?
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hr = OnPropertyChange( param );
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break;
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default:
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TRACE1("INFO: CComponentData::Notify () - Unknown Event %d.\n", event); // add new method for this notification
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break;
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}
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MFC_CATCH;
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return hr;
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}
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STDMETHODIMP CComponentData::Destroy()
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{
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MFC_TRY;
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SAFE_RELEASE(m_pConsoleNameSpace);
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SAFE_RELEASE(m_pConsole);
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MFC_CATCH;
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return S_OK;
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}
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STDMETHODIMP CComponentData::GetDisplayInfo(SCOPEDATAITEM* pScopeDataItem)
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{
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MFC_TRY;
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// ISSUE-2002/03/28-JonN handle pSDI==NULL and pSDI->lParam==NULL
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// WARNING cookie cast
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CCookie* pcookie = reinterpret_cast<CCookie*>(pScopeDataItem->lParam);
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ASSERT(NULL != pcookie);
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ASSERT( NULL != pScopeDataItem ); // result items never have NULL cookie
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if (SDI_STR & pScopeDataItem->mask)
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{
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pScopeDataItem->displayname = QueryResultColumnText( *pcookie, 0 );
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if ( NULL == pScopeDataItem->displayname )
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pScopeDataItem->displayname = L""; // just in case
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}
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if ( (SDI_IMAGE|SDI_OPENIMAGE) & pScopeDataItem->mask )
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{
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pScopeDataItem->nImage = QueryImage(
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*pcookie, !!(SDI_OPENIMAGE & pScopeDataItem->mask) );
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}
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MFC_CATCH;
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return S_OK;
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/*
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ASSERT(pScopeDataItem->mask == TVIF_TEXT);
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pScopeDataItem->displayname = QueryResultColumnText(*pcookie,0);
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ASSERT(pScopeDataItem->displayname != NULL);
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return S_OK;
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*/
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}
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STDMETHODIMP CComponentData::CompareObjects(
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LPDATAOBJECT lpDataObjectA,
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LPDATAOBJECT lpDataObjectB)
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{
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int nResult = COMPARESIMILARCOOKIE_FULL; // a full cookie comparison is desired.
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MFC_TRY;
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GUID guidA, guidB;
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HRESULT hr = ::ExtractObjectTypeGUID( lpDataObjectA, &guidA );
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if ( FAILED(hr) )
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return hr;
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hr = ::ExtractObjectTypeGUID( lpDataObjectB, &guidB );
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if ( FAILED(hr) )
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return hr;
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if ( 0 != ::memcmp( &guidA, &guidB, sizeof(GUID) ) )
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return S_FALSE; // different nodetypes
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// If the two nodetypes are the same, both of these objects
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// must belong to this snapin
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// Extract cookies
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// WARNING cookie cast
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CCookie* pcookieA = NULL;
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hr = ExtractData( lpDataObjectA,
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CDataObject::m_CFRawCookie,
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&pcookieA,
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sizeof(pcookieA) );
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if ( FAILED(hr) )
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{
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ASSERT( FALSE );
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return hr;
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}
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pcookieA = ActiveBaseCookie(pcookieA);
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// WARNING cookie cast
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CCookie* pcookieB = NULL;
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hr = ExtractData( lpDataObjectB,
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CDataObject::m_CFRawCookie,
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&pcookieB,
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sizeof(pcookieB) );
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if ( FAILED(hr) )
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{
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ASSERT( FALSE );
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return hr;
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}
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pcookieB = ActiveBaseCookie(pcookieB);
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// Compare cookies
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if (pcookieA == pcookieB)
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return S_OK;
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hr = pcookieA->CompareSimilarCookies( pcookieB, &nResult );
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if( FAILED(hr) )
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return hr;
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MFC_CATCH;
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return (0 == nResult) ? S_OK : S_FALSE;
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}
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int
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GetErrorMsg(
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IN DWORD dwError,
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OUT PTSTR* pptzMsg
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)
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{
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// ISSUE-2002/03/28-JonN check for NULL ptr
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ASSERT(dwError != ERROR_SUCCESS);
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int cch = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER
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| FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, dwError,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(PTSTR)pptzMsg, 0, NULL);
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if (0 == cch)
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{
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static HMODULE g_hNetMod = 0;
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if (0 == g_hNetMod)
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g_hNetMod = GetModuleHandle (L"netmsg.dll");
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if (g_hNetMod)
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cch = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
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| FORMAT_MESSAGE_FROM_HMODULE,
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g_hNetMod, dwError,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(PTSTR)pptzMsg, 0, NULL);
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}
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return cch;
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}
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INT CComponentData::DoPopup( INT nResourceID, DWORD dwErrorNumber, LPCTSTR pszInsertionString, UINT fuStyle )
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{
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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CString strTitle;
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VERIFY( strTitle.LoadString(
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(MB_ICONSTOP == (fuStyle & 0x000000F0))
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? IDS_FRAMEWORK_TITLE_ERROR : IDS_FRAMEWORK_TITLE_WARNING ) );
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CString strError;
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if (0 != dwErrorNumber || NULL != pszInsertionString)
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{
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CString strFormat;
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VERIFY( strFormat.LoadString( nResourceID ) );
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// ISSUE-2002/03/28-JonN FormatMessage would be safer than Format
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strError.Format( strFormat, dwErrorNumber, pszInsertionString );
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if (0 != dwErrorNumber)
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{
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PTSTR pszErrorMsg = NULL;
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int cch = GetErrorMsg(dwErrorNumber, &pszErrorMsg);
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if (cch > 0)
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{
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strError += _T("\n\n");
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strError += pszErrorMsg;
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LocalFree(pszErrorMsg);
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}
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}
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}
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else
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{
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VERIFY( strError.LoadString( nResourceID ) );
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}
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INT iRetval = 0;
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USES_CONVERSION;
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HRESULT hr = m_pConsole->MessageBox(
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T2OLE(const_cast<LPTSTR>((LPCTSTR)strError)),
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T2OLE(const_cast<LPTSTR>((LPCTSTR)strTitle)),
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fuStyle,
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&iRetval );
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ASSERT( SUCCEEDED(hr) );
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return iRetval;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CMyComputerComponentData::ISnapinHelp members
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// Help on IComponentData just returns the file and no particular topic
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STDMETHODIMP CComponentData::GetHelpTopic(LPOLESTR* lpCompiledHelpFile)
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{
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MFC_TRY;
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if (lpCompiledHelpFile == NULL)
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return E_INVALIDARG;
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CString szHelpFilePath;
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HRESULT hr = GetHtmlHelpFilePath( szHelpFilePath );
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if ( FAILED(hr) )
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return hr;
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*lpCompiledHelpFile = reinterpret_cast <LPOLESTR> (
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CoTaskMemAlloc ((szHelpFilePath.GetLength () + 1) * sizeof (wchar_t)));
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if ( NULL == *lpCompiledHelpFile )
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return E_OUTOFMEMORY;
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// ISSUE-2002/03/28-JonN remove USES_CONVERSION
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USES_CONVERSION;
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wcscpy (*lpCompiledHelpFile, T2OLE ((LPTSTR)(LPCTSTR) szHelpFilePath));
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MFC_CATCH;
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return S_OK;
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}
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STDMETHODIMP CComponentData::GetLinkedTopics(LPOLESTR* /*lpCompiledHelpFiles*/)
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{
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return E_NOTIMPL;
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}
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HRESULT CComponentData::GetHtmlHelpFilePath( CString& strref ) const
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{
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if ( GetHtmlHelpFileName().IsEmpty () )
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return E_NOTIMPL;
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UINT nLen = ::GetSystemWindowsDirectory (strref.GetBufferSetLength(2 * MAX_PATH), 2 * MAX_PATH);
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strref.ReleaseBuffer();
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if (0 == nLen)
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{
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ASSERT(FALSE);
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return E_FAIL;
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}
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strref += L"\\help\\";
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strref += GetHtmlHelpFileName();
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return S_OK;
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}
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/* no taskpads
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STDMETHODIMP CComponentData::ExpandAndGet(
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HSCOPEITEM hsiStartFrom,
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LPDATAOBJECT pDataObject,
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HSCOPEITEM* phScopeItem )
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{
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ASSERT(FALSE);
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return E_NOTIMPL;
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}
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*/
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