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574 lines
18 KiB
574 lines
18 KiB
// ****************************************************************************
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// File: C F P I D L _ T E M P L A T E S . C P P
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//
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// Contents: Connections Folder template structures.
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//
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// Author: deonb 12 Jan 2001
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//
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// ****************************************************************************
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#include "pch.h"
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#pragma hdrstop
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#include "ncperms.h"
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#include "ncras.h"
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#include "foldinc.h" // Standard shell\folder includes
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#include "ncnetcon.h"
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template <class T>
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HRESULT CPConFoldPidl<T>::FreePIDLIfRequired()
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{
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if ( m_pConFoldPidl )
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{
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FreeIDL(reinterpret_cast<LPITEMIDLIST>(m_pConFoldPidl));
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m_pConFoldPidl = NULL;
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return S_OK;
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}
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else
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{
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return S_FALSE;
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}
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}
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template <class T>
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HRESULT CPConFoldPidl<T>::Clear()
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{
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FreePIDLIfRequired();
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return S_OK;
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}
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template <class T>
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T& CPConFoldPidl<T>::operator *()
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{
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return (*m_pConFoldPidl);
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}
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template <class T>
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UNALIGNED T* CPConFoldPidl<T>::operator->()
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{
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return m_pConFoldPidl;
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}
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template <class T>
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const UNALIGNED T* CPConFoldPidl<T>::operator->() const
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{
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return m_pConFoldPidl;
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}
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template <class T>
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HRESULT CPConFoldPidl<T>::ILCreate(IN const DWORD dwSize)
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{
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Assert(dwSize >= sizeof(T));
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FreePIDLIfRequired();
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// Just call the constructor on T (placement form of new doesn't allocate any more memory).
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LPVOID pPlacement = ::ILCreate(dwSize);
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if (!pPlacement)
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{
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return E_OUTOFMEMORY;
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}
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#if DBG
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ZeroMemory(pPlacement, dwSize);
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#endif
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// Basically call the constructor
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// Semantic equivalent to m_pConFoldPidl = pPlacement;
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// m_pConFoldPidl::T();
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m_pConFoldPidl = new( pPlacement ) T; // Placement new can't fail with OUTOFMEMORY.
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Assert(pPlacement == m_pConFoldPidl);
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return S_OK;
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}
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template <class T>
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HRESULT CPConFoldPidl<T>::SHAlloc(IN const SIZE_T cb)
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{
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FreePIDLIfRequired();
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LPVOID pPlacement = reinterpret_cast<UNALIGNED T*>(::SHAlloc(cb));
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if (!pPlacement)
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{
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return E_OUTOFMEMORY;
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}
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// Basically call the constructor
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// Semantic equivalent to m_pConFoldPidl = pPlacement;
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// m_pConFoldPidl::T();
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m_pConFoldPidl = new( pPlacement ) T; // Placement new can't fail with OUTOFMEMORY.
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Assert(pPlacement == m_pConFoldPidl);
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if (m_pConFoldPidl)
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{
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return S_OK;
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}
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else
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{
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return E_OUTOFMEMORY;
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}
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}
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template <class T>
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HRESULT CPConFoldPidl<T>::ILClone(IN const CPConFoldPidl<T>& PConFoldPidl)
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{
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C_ASSERT(PIDL_VERSION == T::CONNECTIONS_FOLDER_IDL_VERSION);
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FreePIDLIfRequired();
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LPVOID pPlacement = reinterpret_cast<UNALIGNED T*>(::ILClone(reinterpret_cast<LPITEMIDLIST>(PConFoldPidl.m_pConFoldPidl)));
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if (!pPlacement)
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{
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return E_OUTOFMEMORY;
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}
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// Basically call the constructor
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// Semantic equivalent to m_pConFoldPidl = pPlacement;
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// m_pConFoldPidl::T();
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m_pConFoldPidl = new( pPlacement ) T; // Placement new can't fail with OUTOFMEMORY.
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Assert(pPlacement == m_pConFoldPidl);
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if (m_pConFoldPidl)
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{
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Assert(m_pConFoldPidl->IsPidlOfThisType());
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return S_OK;
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}
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else
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{
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return E_OUTOFMEMORY;
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}
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}
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template <class T>
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LPITEMIDLIST CPConFoldPidl<T>::TearOffItemIdList() const
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{
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TraceFileFunc(ttidConFoldEntry);
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Assert(m_pConFoldPidl);
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Assert( m_pConFoldPidl->IsPidlOfThisType() );
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LPITEMIDLIST retList = ::ILClone(reinterpret_cast<LPITEMIDLIST>(m_pConFoldPidl));
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#ifdef DBG_VALIDATE_PIDLS
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Assert(IsValidPIDL(retList));
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#endif
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return retList;
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}
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template <class T>
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LPITEMIDLIST CPConFoldPidl<T>::Detach()
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{
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TraceFileFunc(ttidConFoldEntry);
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Assert(m_pConFoldPidl);
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Assert( m_pConFoldPidl->IsPidlOfThisType() );
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LPITEMIDLIST retList = reinterpret_cast<LPITEMIDLIST>(m_pConFoldPidl);
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#ifdef DBG_VALIDATE_PIDLS
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Assert(IsValidPIDL(retList));
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#endif
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m_pConFoldPidl = NULL;
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return retList;
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}
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template <class T>
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LPCITEMIDLIST CPConFoldPidl<T>::GetItemIdList() const
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{
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TraceFileFunc(ttidConFoldEntry);
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Assert(m_pConFoldPidl);
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Assert( m_pConFoldPidl->IsPidlOfThisType() );
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LPCITEMIDLIST tmpItemIdList = reinterpret_cast<LPCITEMIDLIST>(m_pConFoldPidl);
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#ifdef DBG_VALIDATE_PIDLS
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Assert(IsValidPIDL(tmpItemIdList));
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#endif
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return tmpItemIdList;
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}
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#ifdef DBG_VALIDATE_PIDLS
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template <class T>
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BOOL CPConFoldPidl<T>::IsValidConFoldPIDL() const
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{
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return IsValidPIDL(reinterpret_cast<LPCITEMIDLIST>(m_pConFoldPidl));
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}
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#endif
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template <class T>
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HRESULT CPConFoldPidl<T>::InitializeFromItemIDList(IN LPCITEMIDLIST pItemIdList)
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{
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DWORD dwPidlSize = 0;
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UNALIGNED ConFoldPidl_v1 * cfpv1 = NULL;
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UNALIGNED ConFoldPidl_v2 * cfpv2 = NULL;
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UNALIGNED ConFoldPidl98 * cfpv98 = NULL;
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LPVOID pPlacement = NULL;
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HRESULT hr = S_OK;
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Assert(pItemIdList);
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#ifdef DBG_VALIDATE_PIDLS
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if (!IsValidPIDL(pItemIdList))
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{
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TraceError("Invalid PIDL passed to InitializeFromItemIDList", E_INVALIDARG);
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}
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#endif
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Clear();
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CONFOLDPIDLTYPE pidlType = GetPidlType(pItemIdList);
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if ( (PIDL_TYPE_UNKNOWN == pidlType) && (PIDL_VERSION == PIDL_TYPE_FOLDER) )
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{
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pidlType = PIDL_TYPE_FOLDER; // Give it the benefit of the doubt
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}
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if (pidlType == PIDL_VERSION)
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{
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pPlacement = reinterpret_cast<UNALIGNED T*>(::ILClone(pItemIdList));
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if (!pPlacement)
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{
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return E_OUTOFMEMORY;
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}
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// Basically call the constructor
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// Semantic equivalent to m_pConFoldPidl = pPlacement;
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// m_pConFoldPidl::T();
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m_pConFoldPidl = new( pPlacement ) T; // Placement new can't fail with OUTOFMEMORY
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Assert(pPlacement == m_pConFoldPidl);
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if (!m_pConFoldPidl->IsPidlOfThisType())
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{
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::SHFree(pPlacement);
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m_pConFoldPidl = NULL;
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return E_INVALIDARG;
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}
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}
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else // We'll have to convert:
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{
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TraceTag(ttidShellFolderIface, "InitializeFromItemIDList: Converting PIDL from type %d to %d", pidlType, PIDL_VERSION);
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switch (PIDL_VERSION)
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{
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case PIDL_TYPE_UNKNOWN: // This is what we are
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{
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switch (pidlType)
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{
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// This is what we're getting
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case PIDL_TYPE_UNKNOWN:
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AssertSz(FALSE, "PIDL is already of this type.");
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break;
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case PIDL_TYPE_V1:
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case PIDL_TYPE_V2:
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case PIDL_TYPE_98:
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case PIDL_TYPE_FOLDER:
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default:
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AssertSz(FALSE, "Can't upgrade PIDL to UNKNOWN type");
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hr = E_INVALIDARG;
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break;
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}
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}
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break;
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case PIDL_TYPE_V1: // This is what we are
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{
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switch (pidlType)
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{
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// This is what we're getting
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case PIDL_TYPE_V1:
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AssertSz(FALSE, "PIDL is already of this type.");
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break;
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case PIDL_TYPE_UNKNOWN:
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case PIDL_TYPE_V2:
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case PIDL_TYPE_98:
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case PIDL_TYPE_FOLDER:
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default:
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AssertSz(FALSE, "Can't upgrade PIDL to PIDL_V1 type");
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hr = E_INVALIDARG;
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break;
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}
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}
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break;
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case PIDL_TYPE_FOLDER: // This is what we are
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{
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switch (pidlType)
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{
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// This is what we're getting
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case PIDL_TYPE_FOLDER:
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AssertSz(FALSE, "PIDL is already of this type.");
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break;
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case PIDL_TYPE_V1:
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case PIDL_TYPE_98:
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case PIDL_TYPE_UNKNOWN:
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case PIDL_TYPE_V2:
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default:
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AssertSz(FALSE, "Can't upgrade PIDL to PIDL_TYPE_FOLDER type");
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hr = E_INVALIDARG;
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break;
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}
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}
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break;
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case PIDL_TYPE_98: // This is what we are
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{
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switch (pidlType)
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{
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// This is what we're getting
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case PIDL_TYPE_98:
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AssertSz(FALSE, "PIDL is already of this type.");
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break;
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case PIDL_TYPE_V1:
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case PIDL_TYPE_V2:
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case PIDL_TYPE_UNKNOWN:
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case PIDL_TYPE_FOLDER:
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default:
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AssertSz(FALSE, "Can't upgrade PIDL to PIDL_TYPE_98 type");
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hr = E_INVALIDARG;
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break;
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}
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}
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break;
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case PIDL_TYPE_V2: // This is what we are
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{
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switch (pidlType)
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{
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// This is what we're getting
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case PIDL_TYPE_V2:
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AssertSz(FALSE, "PIDL is already of this type.");
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break;
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case PIDL_TYPE_V1:
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{
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// Do the convert.
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cfpv1 = const_cast<ConFoldPidl_v1 *>(reinterpret_cast<const ConFoldPidl_v1 *>(pItemIdList));
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if (!cfpv1->IsPidlOfThisType())
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{
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return E_INVALIDARG;
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}
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dwPidlSize = cfpv1->iCB + CBCONFOLDPIDLV2_MIN - CBCONFOLDPIDLV1_MIN;
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dwPidlSize += sizeof(WCHAR); // Adding NULL for PhoneOrHostAddress in bData
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pPlacement = reinterpret_cast<UNALIGNED T*>(::ILCreate(dwPidlSize + sizeof(USHORT))); // Terminating 0
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if (!pPlacement)
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{
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return E_OUTOFMEMORY;
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}
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TraceTag(ttidShellFolderIface, "InitializeFromItemIDList: Original: 0x%08x New:0x%08x", pItemIdList, pPlacement);
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// Basically call the constructor
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// Semantic equivalent to m_pConFoldPidl = pPlacement;
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// m_pConFoldPidl::T();
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m_pConFoldPidl = new( pPlacement ) T; // Placement new can't fail with OUTOFMEMORY
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Assert(pPlacement == m_pConFoldPidl);
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Assert(sizeof(ConFoldPidlBase) <= cfpv1->iCB );
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// Copy the ConFoldPidlBase data
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CopyMemory(m_pConFoldPidl, cfpv1, sizeof(ConFoldPidlBase));
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// I know we're already a ConFoldPidl_v2 - but this is a template, so we'll have to cast
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// to get it to compile. This code path is dead for non-v2 classes though.
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cfpv2 = reinterpret_cast<ConFoldPidl_v2 *>(m_pConFoldPidl);
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// Copy the bData member (everything but ConFoldPidlBase in this case)
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CopyMemory(cfpv2->bData, cfpv1->bData, cfpv1->iCB - sizeof(ConFoldPidlBase));
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// Force update the version number and byte count
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cfpv2->iCB = (WORD)dwPidlSize;
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const_cast<DWORD&>(cfpv2->dwVersion) = PIDL_TYPE_V2;
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if (NCM_LAN == cfpv2->ncm)
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{
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cfpv2->ncsm = NCSM_LAN;
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}
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else
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{
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cfpv2->ncsm = NCSM_NONE;
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}
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cfpv2->ulStrPhoneOrHostAddressPos = cfpv2->ulPersistBufPos + cfpv2->ulPersistBufSize;
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LPWSTR pszPhoneOrHostAddress = cfpv2->PszGetPhoneOrHostAddressPointer();
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*pszPhoneOrHostAddress = L'\0';
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cfpv2->ulStrPhoneOrHostAddressSize = sizeof(WCHAR); // Size of NULL
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// Don't forget to terminate the list!
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//
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LPITEMIDLIST pidlTerminate;
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pidlTerminate = ILNext( reinterpret_cast<LPCITEMIDLIST>( m_pConFoldPidl ) );
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pidlTerminate->mkid.cb = 0;
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#ifdef DBG_VALIDATE_PIDLS
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Assert(IsValidConFoldPIDL());
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#endif
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Assert(m_pConFoldPidl->IsPidlOfThisType());
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if (!m_pConFoldPidl->IsPidlOfThisType())
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{
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::SHFree(m_pConFoldPidl);
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m_pConFoldPidl = NULL;
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return E_FAIL;
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}
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}
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break;
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case PIDL_TYPE_98:
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{
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cfpv98 = const_cast<ConFoldPidl98 *>(reinterpret_cast<const ConFoldPidl98 *>(pItemIdList));
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if (!cfpv98->IsPidlOfThisType())
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{
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return E_INVALIDARG;
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}
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WCHAR szName[MAX_PATH];
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mbstowcs(szName, cfpv98->szaName, MAX_PATH);
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ConnListEntry cle;
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PCONFOLDPIDL pidlv2;
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HRESULT hrTmp = g_ccl.HrFindConnectionByName(szName, cle);
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if (hrTmp != S_OK)
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{
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return E_FAIL;
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}
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cle.ccfe.ConvertToPidl(pidlv2);
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LPITEMIDLIST pIdl = pidlv2.TearOffItemIdList();
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m_pConFoldPidl = reinterpret_cast<T *>(pIdl);
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LPITEMIDLIST pidlTerminate;
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pidlTerminate = ILNext( reinterpret_cast<LPCITEMIDLIST>( m_pConFoldPidl ) );
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pidlTerminate->mkid.cb = 0;
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#ifdef DBG_VALIDATE_PIDLS
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Assert(IsValidConFoldPIDL());
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#endif
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Assert(m_pConFoldPidl->IsPidlOfThisType());
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if (!m_pConFoldPidl->IsPidlOfThisType())
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{
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::SHFree(m_pConFoldPidl);
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m_pConFoldPidl = NULL;
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return E_FAIL;
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}
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}
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break;
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case PIDL_TYPE_FOLDER:
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AssertSz(FALSE, "Can't upgrade PIDL to PIDL_V2 type");
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case PIDL_TYPE_UNKNOWN:
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default:
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hr = E_INVALIDARG;
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break;
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}
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}
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break;
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default:
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AssertSz(FALSE, "Can't upgrade PIDL");
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hr = E_INVALIDARG;
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break;
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}
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}
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if ( FAILED(hr) )
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{
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::SHFree(m_pConFoldPidl);
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m_pConFoldPidl = NULL;
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}
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else
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{
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Assert(m_pConFoldPidl->IsPidlOfThisType());
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}
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return hr;
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}
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template <class T>
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CPConFoldPidl<T>::CPConFoldPidl()
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{
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m_pConFoldPidl = NULL;
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}
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template <class T>
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CPConFoldPidl<T>::CPConFoldPidl(IN const CPConFoldPidl& PConFoldPidl) throw (HRESULT)
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{
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m_pConFoldPidl = NULL;
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HRESULT hr = InitializeFromItemIDList(reinterpret_cast<LPCITEMIDLIST>(PConFoldPidl.m_pConFoldPidl));
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if (FAILED(hr))
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{
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throw hr;
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}
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}
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template <class T>
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CPConFoldPidl<T>::~CPConFoldPidl()
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{
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FreePIDLIfRequired();
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m_pConFoldPidl = NULL;
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}
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template <class T>
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CPConFoldPidl<T>& CPConFoldPidl<T>::operator =(IN const CPConFoldPidl<T>& PConFoldPidl) throw (HRESULT)
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{
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FreePIDLIfRequired();
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|
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if (PConFoldPidl.m_pConFoldPidl)
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{
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HRESULT hr = InitializeFromItemIDList(reinterpret_cast<LPCITEMIDLIST>(PConFoldPidl.m_pConFoldPidl));
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|
if (FAILED(hr))
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|
{
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|
throw hr;
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|
}
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|
}
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else
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|
{
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m_pConFoldPidl = NULL;
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}
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return *this;
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|
}
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|
|
|
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template <class T>
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inline BOOL CPConFoldPidl<T>::empty() const
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|
{
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return (m_pConFoldPidl == NULL);
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|
}
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|
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template <class T>
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HRESULT CPConFoldPidl<T>::ConvertToConFoldEntry(OUT CConFoldEntry& cfe) const
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|
{
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|
Assert(m_pConFoldPidl);
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|
if (!m_pConFoldPidl)
|
|
{
|
|
return E_UNEXPECTED;
|
|
}
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|
|
|
return m_pConFoldPidl->ConvertToConFoldEntry(cfe);
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|
}
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|
|
|
template <class T>
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|
HRESULT CPConFoldPidl<T>::Swop(OUT CPConFoldPidl<T>& cfe)
|
|
{
|
|
UNALIGNED T* pTemp = m_pConFoldPidl;
|
|
m_pConFoldPidl = cfe.m_pConFoldPidl;
|
|
cfe.m_pConFoldPidl = pTemp;
|
|
return S_OK;
|
|
}
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|
|
|
template CPConFoldPidl<ConFoldPidl_v1>;
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|
template CPConFoldPidl<ConFoldPidl_v2 >;
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|
template CPConFoldPidl<ConFoldPidlFolder>;
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|
template CPConFoldPidl<ConFoldPidl98>;
|