mirror of
https://github.com/reactos/reactos.git
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475 lines
14 KiB
C++
475 lines
14 KiB
C++
/*
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* Shell Folder stuff
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*
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* Copyright 1997 Marcus Meissner
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* Copyright 1998, 1999, 2002 Juergen Schmied
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* Copyright 2018 Katayama Hirofumi MZ
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*
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* IShellFolder2 and related interfaces
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "precomp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/***************************************************************************
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* GetNextElement (internal function)
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*
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* Gets a part of a string till the first backslash.
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*
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* PARAMETERS
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* pszNext [IN] string to get the element from
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* pszOut [IN] pointer to buffer which receives string
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* dwOut [IN] length of pszOut
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*
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* RETURNS
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* LPSTR pointer to first, not yet parsed char
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*/
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LPCWSTR GetNextElementW (LPCWSTR pszNext, LPWSTR pszOut, DWORD dwOut)
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{
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LPCWSTR pszTail = pszNext;
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DWORD dwCopy;
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TRACE ("(%s %p 0x%08x)\n", debugstr_w (pszNext), pszOut, dwOut);
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*pszOut = 0x0000;
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if (!pszNext || !*pszNext)
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return NULL;
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while (*pszTail && (*pszTail != (WCHAR) '\\'))
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pszTail++;
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dwCopy = pszTail - pszNext + 1;
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lstrcpynW (pszOut, pszNext, (dwOut < dwCopy) ? dwOut : dwCopy);
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if (*pszTail)
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pszTail++;
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else
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pszTail = NULL;
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TRACE ("--(%s %s 0x%08x %p)\n", debugstr_w (pszNext), debugstr_w (pszOut), dwOut, pszTail);
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return pszTail;
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}
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HRESULT SHELL32_ParseNextElement (IShellFolder2 * psf, HWND hwndOwner, LPBC pbc,
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LPITEMIDLIST * pidlInOut, LPOLESTR szNext, DWORD * pEaten, DWORD * pdwAttributes)
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{
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HRESULT hr = E_INVALIDARG;
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LPITEMIDLIST pidlIn = pidlInOut ? *pidlInOut : NULL;
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LPITEMIDLIST pidlOut = NULL;
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LPITEMIDLIST pidlTemp = NULL;
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CComPtr<IShellFolder> psfChild;
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TRACE ("(%p, %p, %p, %s)\n", psf, pbc, pidlIn, debugstr_w (szNext));
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/* get the shellfolder for the child pidl and let it analyse further */
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hr = psf->BindToObject(pidlIn, pbc, IID_PPV_ARG(IShellFolder, &psfChild));
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if (FAILED(hr))
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return hr;
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hr = psfChild->ParseDisplayName(hwndOwner, pbc, szNext, pEaten, &pidlOut, pdwAttributes);
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if (FAILED(hr))
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return hr;
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pidlTemp = ILCombine (pidlIn, pidlOut);
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if (!pidlTemp)
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{
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hr = E_OUTOFMEMORY;
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if (pidlOut)
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ILFree(pidlOut);
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return hr;
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}
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if (pidlOut)
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ILFree (pidlOut);
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if (pidlIn)
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ILFree (pidlIn);
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*pidlInOut = pidlTemp;
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TRACE ("-- pidl=%p ret=0x%08x\n", pidlInOut ? *pidlInOut : NULL, hr);
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return S_OK;
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}
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/***********************************************************************
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* SHELL32_CoCreateInitSF
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*
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* Creates a shell folder and initializes it with a pidl and a root folder
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* via IPersistFolder3 or IPersistFolder.
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*
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* NOTES
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* pathRoot can be NULL for Folders being a drive.
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* In this case the absolute path is built from pidlChild (eg. C:)
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*/
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HRESULT SHELL32_CoCreateInitSF (LPCITEMIDLIST pidlRoot, PERSIST_FOLDER_TARGET_INFO* ppfti,
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LPCITEMIDLIST pidlChild, const GUID* clsid, REFIID riid, LPVOID *ppvOut)
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{
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HRESULT hr;
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CComPtr<IShellFolder> pShellFolder;
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hr = SHCoCreateInstance(NULL, clsid, NULL, IID_PPV_ARG(IShellFolder, &pShellFolder));
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if (FAILED(hr))
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return hr;
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LPITEMIDLIST pidlAbsolute = ILCombine (pidlRoot, pidlChild);
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CComPtr<IPersistFolder> ppf;
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CComPtr<IPersistFolder3> ppf3;
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if (ppfti && SUCCEEDED(pShellFolder->QueryInterface(IID_PPV_ARG(IPersistFolder3, &ppf3))))
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{
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ppf3->InitializeEx(NULL, pidlAbsolute, ppfti);
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}
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else if (SUCCEEDED(pShellFolder->QueryInterface(IID_PPV_ARG(IPersistFolder, &ppf))))
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{
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ppf->Initialize(pidlAbsolute);
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}
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ILFree (pidlAbsolute);
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return pShellFolder->QueryInterface(riid, ppvOut);
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}
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HRESULT SHELL32_CoCreateInitSF (LPCITEMIDLIST pidlRoot, const GUID* clsid,
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int csidl, REFIID riid, LPVOID *ppvOut)
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{
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/* fill the PERSIST_FOLDER_TARGET_INFO */
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PERSIST_FOLDER_TARGET_INFO pfti = {0};
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pfti.dwAttributes = -1;
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pfti.csidl = csidl;
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return SHELL32_CoCreateInitSF(pidlRoot, &pfti, NULL, clsid, riid, ppvOut);
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}
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HRESULT SHELL32_BindToSF (LPCITEMIDLIST pidlRoot, PERSIST_FOLDER_TARGET_INFO* ppfti,
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LPCITEMIDLIST pidl, const GUID* clsid, REFIID riid, LPVOID *ppvOut)
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{
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PITEMID_CHILD pidlChild = ILCloneFirst (pidl);
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if (!pidlChild)
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return E_FAIL;
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CComPtr<IShellFolder> psf;
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HRESULT hr = SHELL32_CoCreateInitSF(pidlRoot,
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ppfti,
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pidlChild,
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clsid,
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IID_PPV_ARG(IShellFolder, &psf));
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ILFree(pidlChild);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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if (_ILIsPidlSimple (pidl))
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return psf->QueryInterface(riid, ppvOut);
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else
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return psf->BindToObject(ILGetNext (pidl), NULL, riid, ppvOut);
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}
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/***********************************************************************
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* SHELL32_GetDisplayNameOfChild
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*
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* Retrieves the display name of a child object of a shellfolder.
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*
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* For a pidl eg. [subpidl1][subpidl2][subpidl3]:
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* - it binds to the child shellfolder [subpidl1]
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* - asks it for the displayname of [subpidl2][subpidl3]
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*
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* Is possible the pidl is a simple pidl. In this case it asks the
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* subfolder for the displayname of an empty pidl. The subfolder
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* returns the own displayname eg. "::{guid}". This is used for
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* virtual folders with the registry key WantsFORPARSING set.
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*/
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HRESULT SHELL32_GetDisplayNameOfChild (IShellFolder2 * psf,
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LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
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{
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LPITEMIDLIST pidlFirst = ILCloneFirst(pidl);
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if (!pidlFirst)
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return E_OUTOFMEMORY;
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CComPtr<IShellFolder> psfChild;
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HRESULT hr = psf->BindToObject(pidlFirst, NULL, IID_PPV_ARG(IShellFolder, &psfChild));
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if (SUCCEEDED (hr))
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{
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hr = psfChild->GetDisplayNameOf(ILGetNext (pidl), dwFlags, strRet);
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}
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ILFree (pidlFirst);
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return hr;
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}
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HRESULT SHELL32_CompareChildren(IShellFolder2* psf, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
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{
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PUIDLIST_RELATIVE nextpidl1 = ILGetNext (pidl1);
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PUIDLIST_RELATIVE nextpidl2 = ILGetNext (pidl2);
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bool isEmpty1 = _ILIsDesktop(nextpidl1);
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bool isEmpty2 = _ILIsDesktop(nextpidl2);
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if (isEmpty1 || isEmpty2)
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return MAKE_COMPARE_HRESULT(isEmpty2 - isEmpty1);
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PITEMID_CHILD firstpidl = ILCloneFirst (pidl1);
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if (!firstpidl)
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return E_OUTOFMEMORY;
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CComPtr<IShellFolder> psf2;
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HRESULT hr = psf->BindToObject(firstpidl, 0, IID_PPV_ARG(IShellFolder, &psf2));
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ILFree(firstpidl);
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if (FAILED(hr))
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return MAKE_COMPARE_HRESULT(0);
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return psf2->CompareIDs(lParam, nextpidl1, nextpidl2);
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}
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HRESULT SHELL32_CompareDetails(IShellFolder2* isf, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
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{
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SHELLDETAILS sd;
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WCHAR wszItem1[MAX_PATH], wszItem2[MAX_PATH];
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HRESULT hres;
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hres = isf->GetDetailsOf(pidl1, lParam, &sd);
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if (FAILED(hres))
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return MAKE_COMPARE_HRESULT(1);
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hres = StrRetToBufW(&sd.str, pidl1, wszItem1, MAX_PATH);
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if (FAILED(hres))
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return MAKE_COMPARE_HRESULT(1);
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hres = isf->GetDetailsOf(pidl2, lParam, &sd);
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if (FAILED(hres))
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return MAKE_COMPARE_HRESULT(1);
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hres = StrRetToBufW(&sd.str, pidl2, wszItem2, MAX_PATH);
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if (FAILED(hres))
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return MAKE_COMPARE_HRESULT(1);
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int ret = wcsicmp(wszItem1, wszItem2);
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if (ret == 0)
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return SHELL32_CompareChildren(isf, lParam, pidl1, pidl2);
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return MAKE_COMPARE_HRESULT(ret);
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}
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void AddClassKeyToArray(const WCHAR * szClass, HKEY* array, UINT* cKeys)
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{
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if (*cKeys >= 16)
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return;
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HKEY hkey;
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LSTATUS result = RegOpenKeyExW(HKEY_CLASSES_ROOT, szClass, 0, KEY_READ | KEY_QUERY_VALUE, &hkey);
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if (result != ERROR_SUCCESS)
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return;
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array[*cKeys] = hkey;
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*cKeys += 1;
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}
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void AddFSClassKeysToArray(PCUITEMID_CHILD pidl, HKEY* array, UINT* cKeys)
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{
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if (_ILIsValue(pidl))
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{
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FileStructW* pFileData = _ILGetFileStructW(pidl);
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LPWSTR extension = PathFindExtension(pFileData->wszName);
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if (extension)
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{
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AddClassKeyToArray(extension, array, cKeys);
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WCHAR wszClass[MAX_PATH], wszClass2[MAX_PATH];
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DWORD dwSize = sizeof(wszClass);
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if (RegGetValueW(HKEY_CLASSES_ROOT, extension, NULL, RRF_RT_REG_SZ, NULL, wszClass, &dwSize) == ERROR_SUCCESS)
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{
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swprintf(wszClass2, L"%s//%s", extension, wszClass);
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AddClassKeyToArray(wszClass, array, cKeys);
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AddClassKeyToArray(wszClass2, array, cKeys);
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}
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swprintf(wszClass2, L"SystemFileAssociations//%s", extension);
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AddClassKeyToArray(wszClass2, array, cKeys);
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if (RegGetValueW(HKEY_CLASSES_ROOT, extension, L"PerceivedType ", RRF_RT_REG_SZ, NULL, wszClass, &dwSize) == ERROR_SUCCESS)
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{
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swprintf(wszClass2, L"SystemFileAssociations//%s", wszClass);
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AddClassKeyToArray(wszClass2, array, cKeys);
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}
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}
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AddClassKeyToArray(L"AllFilesystemObjects", array, cKeys);
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AddClassKeyToArray(L"*", array, cKeys);
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}
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else if (_ILIsFolder(pidl))
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{
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AddClassKeyToArray(L"AllFilesystemObjects", array, cKeys);
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AddClassKeyToArray(L"Directory", array, cKeys);
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AddClassKeyToArray(L"Folder", array, cKeys);
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}
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else
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{
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ERR("Got non FS pidl\n");
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}
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}
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HRESULT SH_GetApidlFromDataObject(IDataObject *pDataObject, PIDLIST_ABSOLUTE* ppidlfolder, PUITEMID_CHILD **apidlItems, UINT *pcidl)
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{
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CDataObjectHIDA cida(pDataObject);
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if (FAILED_UNEXPECTEDLY(cida.hr()))
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return cida.hr();
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/* convert the data into pidl */
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LPITEMIDLIST pidl;
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LPITEMIDLIST *apidl = _ILCopyCidaToaPidl(&pidl, cida);
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if (!apidl)
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{
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return E_OUTOFMEMORY;
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}
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*ppidlfolder = pidl;
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*apidlItems = apidl;
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*pcidl = cida->cidl;
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return S_OK;
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}
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/***********************************************************************
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* SHCreateLinks
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*
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* Undocumented.
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*/
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HRESULT WINAPI SHCreateLinks( HWND hWnd, LPCSTR lpszDir, IDataObject * lpDataObject,
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UINT uFlags, LPITEMIDLIST *lppidlLinks)
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{
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FIXME("%p %s %p %08x %p\n", hWnd, lpszDir, lpDataObject, uFlags, lppidlLinks);
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return E_NOTIMPL;
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}
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/***********************************************************************
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* SHOpenFolderAndSelectItems
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*
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* Unimplemented.
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*/
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EXTERN_C HRESULT
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WINAPI
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SHOpenFolderAndSelectItems(PCIDLIST_ABSOLUTE pidlFolder,
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UINT cidl,
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PCUITEMID_CHILD_ARRAY apidl,
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DWORD dwFlags)
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{
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ERR("SHOpenFolderAndSelectItems() is hackplemented\n");
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PCIDLIST_ABSOLUTE pidlItem;
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if (cidl)
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{
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/* Firefox sends a full pidl here dispite the fact it is a PCUITEMID_CHILD_ARRAY -_- */
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if (ILGetNext(apidl[0]) != NULL)
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{
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pidlItem = apidl[0];
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}
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else
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{
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pidlItem = ILCombine(pidlFolder, apidl[0]);
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}
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}
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else
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{
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pidlItem = pidlFolder;
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}
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CComPtr<IShellFolder> psfDesktop;
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HRESULT hr = SHGetDesktopFolder(&psfDesktop);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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STRRET strret;
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hr = psfDesktop->GetDisplayNameOf(pidlItem, SHGDN_FORPARSING, &strret);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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WCHAR wszBuf[MAX_PATH];
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hr = StrRetToBufW(&strret, pidlItem, wszBuf, _countof(wszBuf));
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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WCHAR wszParams[MAX_PATH];
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wcscpy(wszParams, L"/select,");
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wcscat(wszParams, wszBuf);
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SHELLEXECUTEINFOW sei;
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memset(&sei, 0, sizeof sei);
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sei.cbSize = sizeof sei;
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sei.fMask = SEE_MASK_WAITFORINPUTIDLE;
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sei.lpFile = L"explorer.exe";
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sei.lpParameters = wszParams;
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if (ShellExecuteExW(&sei))
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return S_OK;
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else
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return E_FAIL;
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}
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static
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DWORD WINAPI
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_ShowPropertiesDialogThread(LPVOID lpParameter)
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{
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CComPtr<IDataObject> pDataObject;
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pDataObject.Attach((IDataObject*)lpParameter);
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CDataObjectHIDA cida(pDataObject);
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if (FAILED_UNEXPECTEDLY(cida.hr()))
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return cida.hr();
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if (cida->cidl > 1)
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{
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ERR("SHMultiFileProperties is not yet implemented\n");
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return E_FAIL;
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}
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CComHeapPtr<ITEMIDLIST> completePidl(ILCombine(HIDA_GetPIDLFolder(cida), HIDA_GetPIDLItem(cida, 0)));
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CComHeapPtr<WCHAR> wszName;
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if (FAILED_UNEXPECTEDLY(SHGetNameFromIDList(completePidl, SIGDN_PARENTRELATIVEPARSING, &wszName)))
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return 0;
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BOOL bSuccess = SH_ShowPropertiesDialog(wszName, pDataObject);
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if (!bSuccess)
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ERR("SH_ShowPropertiesDialog failed\n");
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return 0;
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}
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/*
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* for internal use
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*/
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HRESULT WINAPI
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Shell_DefaultContextMenuCallBack(IShellFolder *psf, IDataObject *pdtobj)
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{
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pdtobj->AddRef();
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if (!SHCreateThread(_ShowPropertiesDialogThread, pdtobj, CTF_INSIST | CTF_COINIT, NULL))
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{
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pdtobj->Release();
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return HRESULT_FROM_WIN32(GetLastError());
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}
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else
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{
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return S_OK;
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}
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}
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