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windows-nt/Source/XPSP1/NT/sdktools/proccon/snapin/componentdata.cpp
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

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/*======================================================================================//
| Process Control //
| //
|Copyright (c) 1998 Sequent Computer Systems, Incorporated. All rights reserved. //
| //
|File Name: ComponentData.cpp //
| //
|Description: //
| //
|Created: Paul Skoglund 07-1998 //
| //
|Rev History: //
| //
|=======================================================================================*/
#include "StdAfx.h"
#include "ProcCon.h"
#include "Component.h"
#include "DataObj.h"
#include "BaseNode.h"
/////////////////////////////////////////////////////////////////////////////
// CComponentData - This class is the interface to handle anything to do
// with the scope pane. MMC calls the IComponent interfaces.
// This class keeps a few pointers to interfaces that MMC
// implements.
CComponentData::CComponentData() : m_Initialized(FALSE)
{
ATLTRACE( _T("ComponentData::ComponentData()\n") );
m_ipConsoleNameSpace2 = NULL;
m_ipConsole2 = NULL;
m_hbmpSNodes16 = NULL;
m_hbmpSNodes32 = NULL;
m_ipScopeImage = NULL;
m_hWatermark1 = NULL;
m_hHeader1 = NULL;
#if USE_WIZARD97_WATERMARKS
// Load the bitmaps for property sheet watermark and headers
m_hWatermark1 = ::LoadBitmap(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDB_WATERMARK1));
ASSERT( m_hWatermark1 );
#endif
#if USE_WIZARD97_HEADERS
m_hHeader1 = ::LoadBitmap(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDB_HEADER1));
ASSERT( m_hHeader1 );
#endif
// this needs to be dynamic/per instance because our snap-in can be added multiple times to the same console
m_ptrRootNode = new CRootFolder();
}
CComponentData::~CComponentData()
{
// We release the cached interface pointers in Destroy()
ATLTRACE( _T("ComponentData::~ComponentData()\n") );
SAFE_RELEASE( m_ptrRootNode );
if( NULL != m_hWatermark1 )
::DeleteObject( m_hWatermark1 );
if( NULL != m_hHeader1 )
::DeleteObject( m_hHeader1);
ATLTRACE( _T("ComponentData::~ComponentData() The End\n\n") );
}
/////////////////////////////////////////////////////////////////////////////
// IComponentData methods
//
//---------------------------------------------------------------------------
// We get here only once, when the user clicks on the snapin.
//
// This method should not change as we progress through further steps.
// Here we get a chance to get pointer to some interfaces MMC provides.
// We QueryInterface for pointers to the name space and console, which
// we cache in local variables
// The other task to acomplish here is the adding of a bitmap that contains
// the icons to be used in the scope pane.
//
STDMETHODIMP CComponentData::Initialize
(
LPUNKNOWN pUnknown // [in] Pointer to the IConsole<6C>s IUnknown interface
)
{
ATLTRACE( _T("ComponentData::Initialize()\n") );
ASSERT( NULL != pUnknown );
if (!m_ptrRootNode)
{
ATLTRACE( _T(" ComponentData::Initialize() Failed - no root node!\n"));
return E_UNEXPECTED;
}
ATLTRACE( _T(" RootFolder <%s>\n"), m_ptrRootNode->GetNodeName() );
// MMC should only call ::Initialize once!
ASSERT( NULL == m_ipConsoleNameSpace2 );
if (!pUnknown)
return E_UNEXPECTED;
HRESULT hr;
hr = pUnknown->QueryInterface(IID_IConsoleNameSpace2, (VOID**)(&m_ipConsoleNameSpace2));
ASSERT( S_OK == hr );
hr = pUnknown->QueryInterface(IID_IConsole2, (VOID**)(&m_ipConsole2));
ASSERT( S_OK == hr );
if (m_ipConsole2)
{
hr = m_ipConsole2->QueryScopeImageList(&m_ipScopeImage);
ASSERT( S_OK == hr );
}
// Load the bitmaps from the dll
m_hbmpSNodes16 = LoadBitmap(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDB_NODES_16x16));
ASSERT( NULL != m_hbmpSNodes16 );
m_hbmpSNodes32 = LoadBitmap(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDB_NODES_32x32));
ASSERT( NULL != m_hbmpSNodes32 );
// Set the images
if (m_ipScopeImage)
{
hr = m_ipScopeImage->ImageListSetStrip( (LONG_PTR *) m_hbmpSNodes16,
(LONG_PTR *) m_hbmpSNodes32,
0,
RGB(255, 0, 255)
);
ASSERT( S_OK == hr );
}
if (hr == S_OK && m_ipConsoleNameSpace2 && m_ipConsole2 && m_ipScopeImage && m_hbmpSNodes16 && m_hbmpSNodes32)
m_Initialized = TRUE;
else if (hr == S_OK)
hr = E_UNEXPECTED;
ATLTRACE( _T(" ComponentData::Initialize() <%s>\n"), m_Initialized ? _T("Succeeded") : _T("Failed"));
m_ptrRootNode->SetConsoleInterface(m_ipConsole2);
return S_OK;
} // end Initialize()
//---------------------------------------------------------------------------
// Release interfaces and clean up objects which allocated memory
//
STDMETHODIMP CComponentData::Destroy()
{
ATLTRACE( _T("ComponentData::Destroy()\n") );
if (m_ptrRootNode)
m_ptrRootNode->SetConsoleInterface(NULL);
// Free interfaces
SAFE_RELEASE(m_ipConsoleNameSpace2);
SAFE_RELEASE(m_ipConsole2);
SAFE_RELEASE(m_ipScopeImage);
VERIFY( ::DeleteObject( m_hbmpSNodes16 ) );
VERIFY( ::DeleteObject( m_hbmpSNodes32 ) );
return S_OK;
} // end Destroy()
//---------------------------------------------------------------------------
// Come in here once right after Initialize. MMC wants a pointer to the
// IComponent interface.
//
STDMETHODIMP CComponentData::CreateComponent
(
LPCOMPONENT* ppComponent // [out] Pointer to the location that stores
) // the newly created pointer to IComponent
{
ATLTRACE( _T("ComponentData::CreateComponent()\n") );
if (!m_Initialized)
return E_UNEXPECTED;
ASSERT( NULL != ppComponent );
CComObject<CComponent>* pObject;
CComObject<CComponent>::CreateInstance( &pObject );
ASSERT( NULL != pObject );
if (!pObject)
return E_UNEXPECTED;
pObject->SetComponentData( this );
return pObject->QueryInterface( IID_IComponent, reinterpret_cast<void**>(ppComponent) );
} // end CreateComponent()
//---------------------------------------------------------------------------
//
//
STDMETHODIMP CComponentData::Notify
(
LPDATAOBJECT ipDataObject, // [in] Points to the selected data object
MMC_NOTIFY_TYPE Event, // [in] Identifies action taken by user.
LPARAM Arg, // [in] Depends on the notification type
LPARAM Param // [in] Depends on the notification type
)
{
ATLTRACE( _T("ComponentData::Notify %p 0x%X %p %p\n"), ipDataObject, Event, Arg, Param );
HRESULT hr = S_FALSE;
switch( Event )
{
// documented IComponentData::Notify Event
case MMCN_EXPAND:
{
CBaseNode *pNode = ExtractBaseObject(ipDataObject);
if (pNode)
{
ATLTRACE(_T("ComponentData::Notify MMCN_EXPAND (%s) %s \n"), ((BOOL) Arg) ? _T("expand") : _T("collapse"), pNode->GetNodeName());
hr = pNode->OnExpand( (BOOL) Arg, Param, m_ipConsoleNameSpace2 );
}
else
{
ATLTRACE(_T("ComponentData::Notify MMCN_EXPAND (%s)\n"), ((BOOL) Arg) ? _T("expand") : _T("collapse"));
static UINT s_cfMachineName = ::RegisterClipboardFormat(_T("MMC_SNAPIN_MACHINE_NAME"));
FORMATETC fmt = { (CLIPFORMAT) s_cfMachineName, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
STGMEDIUM stgmedium = { TYMED_HGLOBAL, NULL };
stgmedium.hGlobal = GlobalAlloc( GMEM_SHARE, SNAPIN_MAX_COMPUTERNAME_LENGTH + 1 );
if (stgmedium.hGlobal)
{
if (S_OK == ipDataObject->GetDataHere(&fmt, &stgmedium) &&
m_ptrRootNode)
{
m_ptrRootNode->SetComputerName((TCHAR *)stgmedium.hGlobal);
hr = m_ptrRootNode->OnParentExpand( (BOOL) Arg, Param, m_ipConsoleNameSpace2 );
}
GlobalFree(stgmedium.hGlobal);
}
/*
HRESULT res = ipDataObject->QueryGetData(&fmt);
ATLTRACE(_T(" QueryData 0x%p\n"), res);
if (res == S_OK)
{
int x = 9;
}
IEnumFORMATETC *ipEnumFORMATETC = 0;
HRESULT res = ipDataObject->EnumFormatEtc(DATADIR_GET, &ipEnumFORMATETC);
if (res == S_OK && ipEnumFORMATETC)
{
ULONG out = 0;
FORMATETC aFormat;
res = ipEnumFORMATETC->Next(1, &aFormat, &out);
while (res == S_OK && out == 1)
{
const CLIPFORMAT cf = aFormat.cfFormat;
out = 0;
_TCHAR szFormatName[246];
if (!GetClipboardFormatName(cf, szFormatName, ARRAY_SIZE(szFormatName)))
_tcscpy(szFormatName, _T("Unknown format") );
ATLTRACE(_T(" %s\n"), szFormatName);
res = ipEnumFORMATETC->Next(1, &aFormat, &out);
}
ipEnumFORMATETC->Release();
}
*/
}
}
break;
// documented IComponentData::Notify Event (documented under Event but not Notify method)
case MMCN_REMOVE_CHILDREN:
{
CBaseNode *pNode = ExtractBaseObject(ipDataObject);
if (pNode) // it "our" node call the specific handler
{
ATLTRACE(_T("ComponentData::Notify MMCN_REMOVE_CHILDREN %s\n"), pNode->GetNodeName());
hr = pNode->OnRemoveChildren( Arg );
}
else if (m_ptrRootNode) // extension--the data object is "our" parent
{
ATLTRACE(_T("ComponentData::Notify MMCN_REMOVE_CHILDREN -- extension\n"));
hr = m_ptrRootNode->OnParentRemoveChildren( Arg );
}
else
{
ATLTRACE(_T("ComponentData::Notify MMCN_REMOVE_CHILDREN -- unexpected\n"));
hr = E_UNEXPECTED;
}
}
break;
// documented IComponentData::Notify Event
case MMCN_PROPERTY_CHANGE:
ATLTRACE(_T("ComponentData::Notify MMCN_PROPERTY_CHANGE \n"));
hr = OnPropertyChange( (BOOL) Arg, Param);
break;
case MMCN_HELP:
// supposively NOT USED by MMC
ATLTRACE( _T("ComponentData::Notify MMCN_HELP unimplemented\n") );
hr = S_FALSE;
break;
case MMCN_SNAPINHELP:
ATLTRACE( _T("ComponentData::Notify MMCN_SNAPINHELP unimplemented\n") );
hr = S_FALSE;
break;
case MMCN_CONTEXTHELP:
ATLTRACE( _T("ComponentData::Notify MMCN_CONTEXTHELP unimplemented\n") );
hr = S_FALSE;
break;
case MMCN_EXPANDSYNC:
{
CBaseNode *pNode = ExtractBaseObject(ipDataObject);
ASSERT(pNode);
if (!pNode)
return E_UNEXPECTED;
ATLTRACE( _T("ComponentData::Notify MMCN_EXPANDSYNC %s unimplemented\n"), pNode->GetNodeName() );
MMC_EXPANDSYNC_STRUCT *info = (MMC_EXPANDSYNC_STRUCT *) Param;
hr = S_FALSE;
}
break;
case MMCN_DELETE: // - shouldn't see
ATLTRACE( _T("ComponentData::Notify MMCN_DELETE unimplemented\n") );
hr = S_FALSE;
break;
/*
// not seeing any of the NOTIFY events below/add as needed
// NOT documented as a IComponentData::Notify Event
case MMCN_REFRESH:
ATLTRACE( _T("ComponentData::Notify MMCN_REFRESH unimplemented\n") );
break;
// CCF_SNAPIN_PRELOADS format specific
case MMCN_PRELOAD:
ATLTRACE( _T("ComponentData::Notify MMCN_PRELAOD unimplemented\n") );
break;
// documented IComponentData::Notify Event
case MMCN_RENAME: // - shouldn't see
ATLTRACE( _T("ComponentData::Notify MMCN_RENAME unimplemented\n") );
hr = S_FALSE;
break;
case MMCN_DELETE: // - shouldn't see
ATLTRACE( _T("ComponentData::Notify MMCN_DELETE unimplemented\n") );
hr = S_FALSE;
break;
case MMCN_BTN_CLICK:
case MMCN_CONTEXTHELP:
case MMCN_CUTORMOVE:
case MMCN_QUERY_PASTE:
case MMCN_PASTE:
case MMCN_PRINT:
*/
default:
ATLTRACE(_T("ComponentData::NOTIFY unhandled notify event 0x%X\n"), Event);
hr = S_FALSE;
break;
}
return hr;
} // end Notify()
//---------------------------------------------------------------------------
// MMCN_PROPERTY_CHANGE notification
//
HRESULT CComponentData::OnPropertyChange
(
BOOL bScopeItem,
LPARAM Param
)
{
if (!bScopeItem)
{
ASSERT(FALSE); // what is this path being used by?
return S_OK;
}
PROPERTY_CHANGE_HDR *pUpdate = reinterpret_cast<PROPERTY_CHANGE_HDR*>(Param);
if (pUpdate)
{
if (pUpdate->pFolder && pUpdate->bScopeItem)
pUpdate->pFolder->OnPropertyChange(pUpdate, m_ipConsole2);
pUpdate = FreePropChangeInfo(pUpdate);
}
return S_OK;
} // end OnPropertyChange()
//---------------------------------------------------------------------------
// This is where MMC asks us to provide IDataObjects for every node in the
// scope pane. We have to QI the object so it gets AddRef'd. The node
// manager handles deleting the objects.
//
STDMETHODIMP CComponentData::QueryDataObject
(
MMC_COOKIE Cookie, // [in] Data object's unique identifier
DATA_OBJECT_TYPES Context, // [in] Data object's type
LPDATAOBJECT* ppDataObject // [out] Points to the returned data object
)
{
// check for magic multi-select cookie
if (IS_SPECIAL_COOKIE(Cookie) )
{
if (Cookie == MMC_MULTI_SELECT_COOKIE)
ATLTRACE( _T("ComponentData::QueryDataObject: MMC_MULTI_SELECT_COOKIE unimplemented\n") );
else
ATLTRACE( _T("ComponentData::QueryDataObject: special cookie 0x%X unimplemented\n"), Cookie );
return E_UNEXPECTED;
}
ATLTRACE( _T("ComponentData::QueryDataObject\n") );
ASSERT( CCT_SCOPE == Context || // Must have a context
CCT_RESULT == Context || // we understand
CCT_SNAPIN_MANAGER == Context
);
if (CCT_SNAPIN_MANAGER == Context ||
CCT_SCOPE == Context)
{
CComObject<CDataObject>* pDataObj;
CComObject<CDataObject>::CreateInstance( &pDataObj );
if( ! pDataObj ) // DataObject was not created
{
ASSERT(pDataObj);
return E_OUTOFMEMORY;
}
CBaseNode *pFolder;
if (Cookie == NULL)
{
ASSERT(m_ptrRootNode);
pFolder = m_ptrRootNode;
}
else
{
pFolder = reinterpret_cast<CBaseNode *> (Cookie);
}
// ATLTRACE( _T("%s-ComponentData::QueryDataObject: %s\n"), pFolder->GetNodeName(), (Context == CCT_SCOPE) ? _T("CCT_SCOPE") : _T("CCT_SNAPIN_MANAGER") );
pDataObj->SetDataObject( Context, pFolder );
HRESULT hr = pDataObj->QueryInterface( IID_IDataObject,
reinterpret_cast<void**>(ppDataObject)
);
return hr;
}
else if (CCT_RESULT == Context)
{
// ATLTRACE( _T("ComponentData::QueryDataObject: CCT_RESULT unsupported\n") );
return E_UNEXPECTED;
}
// CCT_UNINITIALIZED
// ATLTRACE( _T("ComponentData::QueryDataObject: unsupported Context\n") );
return E_UNEXPECTED;
} // end QueryDataObject()
//---------------------------------------------------------------------------
// This is where we provide strings for nodes in the scope pane.
// MMC handles the root node string.
//
STDMETHODIMP CComponentData::GetDisplayInfo
(
LPSCOPEDATAITEM pItem // [in, out] Points to a SCOPEDATAITEM struct
)
{
ASSERT( NULL != pItem );
HRESULT hr = S_OK;
if (!pItem->mask) // doesn't need anything
return S_OK;
// the SDI_PARAM flag does not have to be set on input to indicate that the LPARAM is valid
//if (! (pItem->mask & SDI_PARAM) )
// return E_UNEXPECTED;
//ASSERT( pItem->lParam);
// get object from SCOPEITEM's lParam
CBaseNode *pTmp = NULL;
if (pItem->lParam)
pTmp = reinterpret_cast<CBaseNode *>(pItem->lParam);
else
pTmp = dynamic_cast<CBaseNode *>(m_ptrRootNode);
// this should never be called with the root node,
// all scope items with lParam pointer to object derived from CBaseNode
if (!pTmp)
return E_UNEXPECTED;
if ( pItem->mask & SDI_STR ) // wants the display name
{
pItem->displayname = const_cast<LPOLESTR>( pTmp->GetNodeName() );
}
if (pItem->mask & SDI_IMAGE)
{
pItem->nImage = pTmp->sImage();
}
if (pItem->mask & SDI_OPENIMAGE)
{
pItem->nOpenImage = pTmp->sOpenImage();
}
return hr;
} // end GetDisplayInfo()
//---------------------------------------------------------------------------
//
STDMETHODIMP CComponentData::CompareObjects
(
LPDATAOBJECT ipDataObjectA, // [in] First data object to compare
LPDATAOBJECT ipDataObjectB // [in] Second data object to compare
)
{
CBaseNode *pdoA;
CBaseNode *pdoB;
pdoA = ExtractBaseObject( ipDataObjectA );
pdoB = ExtractBaseObject( ipDataObjectB );
ASSERT( pdoA || pdoB );
// If extraction failed for one of them, then that one is foreign and
// can't be equal to the other one. (Or else ExtractOwnDataObject
// returned NULL because it ran out of memory, but the most conservative
// thing to do in that case is say they're not equal.)
if( !pdoA || !pdoB )
{
ATLTRACE(_T("ComponentData::CompareObjects() - FALSE one or both objects not recognized\n") );
return S_FALSE;
}
// If they have "our" same node type
if( pdoA->GetNodeType() == pdoB->GetNodeType() )
{
ATLTRACE(_T("ComponentData::CompareObjects() - TRUE\n") );
return S_OK;
}
ATLTRACE(_T("ComponentData::CompareObjects() - FALSE\n") );
return S_FALSE;
} // end CompareObjects()
/////////////////////////////////////////////////////////////////////////////
// IExtendContextMenu method implementations
//
STDMETHODIMP CComponentData::AddMenuItems
(
LPDATAOBJECT ipDataObject, // [in] Points to data object
LPCONTEXTMENUCALLBACK piCallback, // [in] Pointer to IContextMenuCallback
long* pInsertionAllowed // [in,out] Insertion flags
)
{
ASSERT( NULL != ipDataObject );
HRESULT hr = S_OK;
if (IsMMCMultiSelectDataObject(ipDataObject))
return E_UNEXPECTED;
CBaseNode *pNode = ExtractBaseObject( ipDataObject );
if (!pNode)
return E_UNEXPECTED;
return pNode->AddMenuItems(piCallback, pInsertionAllowed);
} // end AddMenuItems()
/////////////////////////////////////////////////////////////////////////////
// IExtendContextMenu method implementations
//
STDMETHODIMP CComponentData::Command
(
long nCommandID, // [in] Command to handle
LPDATAOBJECT ipDataObject // [in] Points to data object
)
{
HRESULT hr = S_FALSE;
CDataObject *pDO = ExtractOwnDataObject( ipDataObject );
CBaseNode *pNode = ExtractBaseObject( ipDataObject );
ASSERT(pDO);
if (!pDO || !pNode)
return hr;
// $$ not a desireable action to take but if this isn't done
// the context menu for a node can be operated on, and the result pane doesn't reflect the
// changes because the scope node selection wasn't changed when the context menu is obtained for
// a different node.
// i.e.
// Processes scope node is selected,
// right click on root node get a context menu (for the root node) and connect to a different computer
// the system still shows the processes scope node selected and the result pane shows the
// list of processes on the machine previously connected!
m_ipConsole2->SelectScopeItem(pNode->GetID());
/*
{
ATLTRACE( _T("Attempt patch of framework!\n"));
//OnShow(ipDataObject, TRUE, pNode->GetID());
m_ipConsole2->SelectScopeItem(pNode->GetID());
}
*/
CJobItemFolder *pJobItemFolder = dynamic_cast<CJobItemFolder *> (pNode);
if (pJobItemFolder)
hr = pJobItemFolder->OnMenuCommand(m_ipConsole2, m_ipConsoleNameSpace2, nCommandID );
else
hr = pNode->OnMenuCommand(m_ipConsole2, nCommandID );
if (hr == S_OK)
return hr;
ATLTRACE(_T("ComponentData::Command - unrecognized or failed command %d\n"), nCommandID);
return hr;
} // end Command()
STDMETHODIMP CComponentData::GetWatermarks
(
LPDATAOBJECT ipDataObject,
HBITMAP *lphWatermark,
HBITMAP * lphHeader,
HPALETTE * lphPalette,
BOOL* bStretch
)
{
// invoked during addition of snapin
// may be called prior to Initialize() method like
// IComponentData::QueryDataObject() with CCT_SNAPIN_MANAGER context
// note this may return NULL handles for watermark and header...this is suppose to be OK
// see use of USE_WIZARD97_ precompiled headers
// 10/8/1998 with MMC 1.1 RC4
// MMC is calling this method with lphWatermark equal to IDataObject address
// if we store anything at the addresss we corrupt the IDataObject,
// MMC then calls another method with corrupt IDataObject (CreatePropertyPages()) and boom
// access violation!
// report to Microsoft Derek Jacoby (10/8/1998)
//
// 10/10/1998 Derek Jacoby
// informed me the interface method has changed and now
// includes an addition parameter....
CDataObject *pDO = ExtractOwnDataObject( ipDataObject );
CBaseNode *pNode = ExtractBaseObject( ipDataObject);
if (pDO && pNode)
{
ATLTRACE(_T("ComponentData::GetWatermarks() %s\n"), pNode->GetNodeName());
*lphWatermark = m_hWatermark1;
*lphHeader = m_hHeader1;
*lphPalette = NULL;
*bStretch = TRUE;
return S_OK;
}
ATLTRACE(_T("ComponentData::GetWatermarks() %s\n"), _T("Unrecognized IDataObject"));
return S_FALSE;
} // end GetWatermarks()
STDMETHODIMP CComponentData::QueryPagesFor
(
LPDATAOBJECT ipDataObject
)
{
CDataObject *pDO = ExtractOwnDataObject( ipDataObject );
CBaseNode *pNode = ExtractBaseObject( ipDataObject);
if (pDO && pDO->IsResultItem() )
{
ASSERT(FALSE); // WHY HERE?, why didn't Component::QueryPagesFor get asked?
}
if (pDO && pNode && !pDO->IsResultItem())
{
ATLTRACE(_T("ComponentData::QueryPagesFor() %s\n"), pNode->GetNodeName());
return pNode->QueryPagesFor();
}
ATLTRACE(_T("ComponentData::QueryPagesFor() %s\n"), _T("Unrecognized IDataObject"));
return S_FALSE;
}
STDMETHODIMP CComponentData::CreatePropertyPages
(
LPPROPERTYSHEETCALLBACK lpProvider,
LONG_PTR handle,
LPDATAOBJECT ipDataObject
)
{
ASSERT( NULL != lpProvider );
CDataObject *pDO = ExtractOwnDataObject( ipDataObject );
CBaseNode *pNode = ExtractBaseObject( ipDataObject);
if (pDO && pDO->IsResultItem() )
{
ASSERT(FALSE); // WHY HERE?
}
if (pDO && pNode && !pDO->IsResultItem())
{
ATLTRACE(_T("ComponentData::CreatePropertyPages() %s\n"), pNode->GetNodeName());
return pNode->OnCreatePropertyPages(lpProvider, handle, pDO->GetContext());
}
ATLTRACE(_T("ComponentData::CreatePropertyPages() %s\n"), _T("Unrecognized IDataObject"));
return S_FALSE;
}
/////////////////////////////////////////////////////////////////////////////
// IStream implementation
//
STDMETHODIMP CComponentData::GetClassID(CLSID *pClassID)
{
ATLTRACE(_T("ComponentData::GetClassID()\n"));
*pClassID = CLSID_ComponentData;
return S_OK;
}
STDMETHODIMP CComponentData::IsDirty()
{
ATLTRACE(_T("ComponentData::IsDirty()\n"));
HRESULT hr = S_FALSE; // default to no changes...
if (m_ptrRootNode)
hr = m_ptrRootNode->IsDirty();
ATLTRACE(_T(" ComponentData::IsDirty() %s\n"), (hr == S_OK ? _T("Dirty") : _T("No Changes")));
return hr;
}
STDMETHODIMP CComponentData::Load(IStream *pStm)
{
ATLTRACE(_T("\nComponentData::Load()\n"));
if (m_ptrRootNode)
return m_ptrRootNode->Load(pStm);
return E_UNEXPECTED;
}
STDMETHODIMP CComponentData::Save(IStream *pStm, BOOL fClearDirty)
{
ATLTRACE(_T("\nComponentData::Save()\n"));
if (m_ptrRootNode)
return m_ptrRootNode->Save(pStm, fClearDirty);
return E_UNEXPECTED;
}
STDMETHODIMP CComponentData::GetSizeMax(ULARGE_INTEGER *pcbSize)
{
ATLTRACE(_T("ComponentData::GetSizeMax()\n"));
if (m_ptrRootNode)
return m_ptrRootNode->GetSizeMax(pcbSize);
return E_UNEXPECTED;
}
/////////////////////////////////////////////////////////////////////////////
// ISnapinHelp2
//
STDMETHODIMP CComponentData::GetHelpTopic(LPOLESTR *lpCompiledHelpFile)
{
ATLTRACE(_T("ComponentData::GetHelpTopic()\n"));
if (!lpCompiledHelpFile)
return E_POINTER;
*lpCompiledHelpFile = reinterpret_cast<LPOLESTR> (CoTaskMemAlloc(_MAX_PATH * sizeof(TCHAR)));
if (!*lpCompiledHelpFile)
return E_OUTOFMEMORY;
DWORD len = ExpandEnvironmentStrings(HELP_FilePath, *lpCompiledHelpFile, _MAX_PATH);
if (len && len <= _MAX_PATH)
return S_OK;
return E_UNEXPECTED;
}
STDMETHODIMP CComponentData::GetLinkedTopics(LPOLESTR *lpCompiledHelpFiles)
{
ATLTRACE(_T("ComponentData::GetLinkedTopics()\n"));
if (!lpCompiledHelpFiles)
return E_POINTER;
*lpCompiledHelpFiles = reinterpret_cast<LPOLESTR> (CoTaskMemAlloc(_MAX_PATH * sizeof(TCHAR)));
if (!*lpCompiledHelpFiles)
return E_OUTOFMEMORY;
DWORD len = ExpandEnvironmentStrings(HELP_LinkedFilePaths, *lpCompiledHelpFiles, _MAX_PATH);
if (len && len <= _MAX_PATH)
return S_OK;
return E_UNEXPECTED;
}
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