301 lines
7.3 KiB
C
301 lines
7.3 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1999 - 1999
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//
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// File: atltask.h
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//
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//--------------------------------------------------------------------------
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#ifndef _ATL_TASKPAD_H_
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#define _ATL_TASKPAD_H_
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#include "SnapHelp.h"
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//
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// Derive from this class if you'd like to use the
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// IExtendTaskpadImpl implementation in your snap-in.
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//
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class CTaskpadItem
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{
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public:
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//
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// Should be overridden by client.
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//
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STDMETHOD( TaskNotify )( IConsole* pConsole, VARIANT* arg, VARIANT* param )
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{
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UNUSED_ALWAYS( arg );
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UNUSED_ALWAYS( param );
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return( E_NOTIMPL );
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}
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//
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// Should be overridden by client.
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//
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STDMETHOD( EnumTasks )( LPOLESTR szTaskGroup, IEnumTASK** ppEnumTASK )
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{
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UNUSED_ALWAYS( szTaskGroup );
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UNUSED_ALWAYS( ppEnumTASK );
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return( E_NOTIMPL );
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}
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protected:
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//
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// Given a destination and source task list, this copies the
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// strings using CoTaskMemAlloc, and also adds module file path
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// information as appropriate.
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//
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int CoTasksDup( MMC_TASK* pDestTasks, MMC_TASK* pSrcTasks, int nNumTasks )
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{
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USES_CONVERSION;
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_ASSERTE( pDestTasks != NULL );
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_ASSERTE( pSrcTasks != NULL );
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_ASSERTE( nNumTasks > 0 );
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int nCopied = 0;
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TCHAR szImagesPath[ _MAX_PATH * 2 ];
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TCHAR szBuf[ _MAX_PATH * 2 ];
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try
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{
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//
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// Get the path of our module.
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//
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_tcscpy( szImagesPath, _T( "res://" ) );
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if ( GetModuleFileName( _Module.GetModuleInstance(), szImagesPath + _tcslen( szImagesPath ), MAX_PATH ) == 0 )
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throw;
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//
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// Append another seperator.
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//
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_tcscat( szImagesPath, _T( "/" ) );
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//
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// Initialize the destination tasks.
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//
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memset( pDestTasks, 0, sizeof( MMC_TASK ) * nNumTasks );
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//
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// Loop through and copy each appropriate task.
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//
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for ( int i = 0; i < nNumTasks; i++ )
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{
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//
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// Copy the display object.
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//
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switch( pSrcTasks[ i ].sDisplayObject.eDisplayType )
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{
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case MMC_TASK_DISPLAY_TYPE_SYMBOL:
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pDestTasks[ i ].sDisplayObject.uSymbol.szFontFamilyName = CoTaskDupString( pSrcTasks[ i ].sDisplayObject.uSymbol.szFontFamilyName );
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pDestTasks[ i ].sDisplayObject.uSymbol.szURLtoEOT = CoTaskDupString( pSrcTasks[ i ].sDisplayObject.uSymbol.szURLtoEOT );
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pDestTasks[ i ].sDisplayObject.uSymbol.szSymbolString = CoTaskDupString( pSrcTasks[ i ].sDisplayObject.uSymbol.szSymbolString );
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break;
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default:
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_tcscpy( szBuf, szImagesPath );
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_tcscat( szBuf, W2T( pSrcTasks[ i ].sDisplayObject.uBitmap.szMouseOverBitmap ) );
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pDestTasks[ i ].sDisplayObject.uBitmap.szMouseOverBitmap = CoTaskDupString( T2W( szBuf ) );
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_tcscpy( szBuf, szImagesPath );
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_tcscat( szBuf, W2T( pSrcTasks[ i ].sDisplayObject.uBitmap.szMouseOffBitmap ) );
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pDestTasks[ i ].sDisplayObject.uBitmap.szMouseOffBitmap = CoTaskDupString( T2W( szBuf ) );
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break;
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}
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//
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// Copy the display type.
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//
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pDestTasks[ i ].sDisplayObject.eDisplayType = MMC_TASK_DISPLAY_TYPE_BITMAP;
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//
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// Copy the help string.
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//
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pDestTasks[ i ].szHelpString = CoTaskDupString( pSrcTasks[ i ].szHelpString );
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//
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// Handle the button text.
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//
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pDestTasks[ i ].szText = CoTaskDupString( pSrcTasks[ i ].szText );
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//
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// Handle the action type.
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//
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pDestTasks[ i ].eActionType = pSrcTasks[ i ].eActionType;
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//
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// Based on the action type, handle the appropriate union member.
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//
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switch( pDestTasks[ i ].eActionType )
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{
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case MMC_ACTION_ID:
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pDestTasks[ i ].nCommandID = pSrcTasks[ i ].nCommandID;
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break;
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case MMC_ACTION_LINK:
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pDestTasks[ i ].szActionURL = CoTaskDupString( pSrcTasks[ i ].szActionURL );
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break;
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case MMC_ACTION_SCRIPT:
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pDestTasks[ i ].szScript = CoTaskDupString( pSrcTasks[ i ].szScript );
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break;
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}
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//
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// Increment our successful copy.
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//
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nCopied++;
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}
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}
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catch(...)
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{
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//
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// Likely thrown by the cotaskdup() allocations.
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//
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}
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return( nCopied );
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}
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};
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template <class T>
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class ATL_NO_VTABLE IExtendTaskPadImpl : public IExtendTaskPad
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{
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public:
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STDMETHOD( TaskNotify )( LPDATAOBJECT pdo, VARIANT* arg, VARIANT* param)
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{
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HRESULT hr = E_POINTER;
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T* pT = static_cast<T*>(this);
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CSnapInItem* pItem;
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DATA_OBJECT_TYPES type;
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//
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// Retrieve the data class from the passed in object.
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//
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hr = pT->m_pComponentData->GetDataClass( pdo, &pItem, &type );
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if (SUCCEEDED(hr))
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{
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CTaskpadItem* pTaskpadItem = dynamic_cast< CTaskpadItem* >( pItem );
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if ( pTaskpadItem )
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{
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//
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// We're guaranteed that the passed in object will be one
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// of ours since we should have derived from it.
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//
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hr = pTaskpadItem->TaskNotify( pT->m_spConsole, arg, param );
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}
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}
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return( hr );
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}
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STDMETHOD( EnumTasks )( IDataObject * pdo, LPOLESTR szTaskGroup, IEnumTASK** ppEnumTASK )
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{
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HRESULT hr = E_POINTER;
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T* pT = static_cast<T*>(this);
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CSnapInItem* pItem;
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DATA_OBJECT_TYPES type;
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//
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// Retrieve the data class from the passed in object.
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//
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hr = pT->m_pComponentData->GetDataClass( pdo, &pItem, &type );
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if (SUCCEEDED(hr))
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{
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CTaskpadItem* pTaskpadItem = dynamic_cast< CTaskpadItem* >( pItem );
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if ( pTaskpadItem )
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{
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//
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// We're guaranteed that the passed in object will be one
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// of ours since we should have derived from it.
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//
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hr = pTaskpadItem->EnumTasks( szTaskGroup, ppEnumTASK );
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}
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}
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return( hr );
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}
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STDMETHOD( GetTitle )( LPOLESTR pszGroup, LPOLESTR * pszTitle )
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{
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UNUSED_ALWAYS( pszGroup );
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USES_CONVERSION;
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HRESULT hr = E_FAIL;
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T* pT = static_cast<T*>(this);
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try
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{
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//
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// Allocate memory for the title.
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//
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*pszTitle = (LPOLESTR) CoTaskMemAlloc( ( wcslen( pT->m_pszTitle ) + 1 ) * sizeof( OLECHAR ) );
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if ( pszTitle == NULL )
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throw;
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//
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// Copy the title.
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//
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wcscpy( *pszTitle, pT->m_pszTitle );
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hr = S_OK;
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}
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catch( ... )
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{
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}
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return( hr );
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}
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STDMETHOD( GetBackground )( LPOLESTR pszGroup, MMC_TASK_DISPLAY_OBJECT * pTDO )
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{
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UNUSED_ALWAYS( pszGroup );
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USES_CONVERSION;
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HRESULT hr = E_FAIL;
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T* pT = static_cast<T*>(this);
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TCHAR szModulePath[ _MAX_PATH ];
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OLECHAR szBackgroundPath[ _MAX_PATH ];
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try
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{
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//
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// In the taskpad case, the module path of MMC.EXE should be
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// obtained. Use the template contained therein.
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//
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if ( GetModuleFileName( _Module.GetModuleInstance(), szModulePath, _MAX_PATH ) == 0 )
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throw;
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//
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// Append the necessary decorations for correct access.
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//
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wcscpy( szBackgroundPath, L"res://" );
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wcscat( szBackgroundPath, T2W( szModulePath ) );
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wcscat( szBackgroundPath, L"/" );
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wcscat( szBackgroundPath, pT->m_pszBackgroundPath );
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pTDO->eDisplayType = MMC_TASK_DISPLAY_TYPE_BITMAP;
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pTDO->uBitmap.szMouseOverBitmap = CoTaskDupString( szBackgroundPath );
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if ( pTDO->uBitmap.szMouseOverBitmap == NULL )
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throw;
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pTDO->uBitmap.szMouseOffBitmap = NULL;
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hr = S_OK;
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}
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catch( ... )
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{
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}
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return( hr );
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}
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STDMETHOD( GetDescriptiveText )( LPOLESTR pszGroup, LPOLESTR * pszDescriptiveText )
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{
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UNUSED_ALWAYS( pszGroup );
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UNUSED_ALWAYS( pszDescriptiveText );
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return( E_NOTIMPL );
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}
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STDMETHOD( GetListPadInfo )( LPOLESTR pszGroup, MMC_LISTPAD_INFO * lpListPadInfo )
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{
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UNUSED_ALWAYS( pszGroup );
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UNUSED_ALWAYS( lpListPadInfo );
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return( E_NOTIMPL );
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}
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};
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#endif
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