dlls/shell32/shlfolder.c

   1
   2 /*
   3  *      Shell Folder stuff
   4  *
   5  *      Copyright 1997                  Marcus Meissner
   6  *      Copyright 1998, 1999, 2002      Juergen Schmied
   7  *
   8  *      IShellFolder2 and related interfaces
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <stdarg.h>
  31 #include <stdio.h>
  32
  33 #define COBJMACROS
  34
  35 #include "winerror.h"
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winreg.h"
  39 #include "wingdi.h"
  40 #include "winuser.h"
  41
  42 #include "ole2.h"
  43 #include "shlguid.h"
  44
  45 #include "pidl.h"
  46 #include "undocshell.h"
  47 #include "shell32_main.h"
  48 #include "shresdef.h"
  49 #include "shlwapi.h"
  50 #include "shellfolder.h"
  51 #include "wine/debug.h"
  52 #include "debughlp.h"
  53 #include "shfldr.h"
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  56
  57 /***************************************************************************
  58  * debughelper: print out the return address
  59  *  helps especially to track down unbalanced AddRef/Release
  60  */
  61 #define MEM_DEBUG 0
  62
  63 #if MEM_DEBUG
  64 #define _CALL_TRACE TRACE("called from: 0x%08x\n", *( ((UINT*)&iface)-1 ));
  65 #else
  66 #define _CALL_TRACE
  67 #endif
  68
  69 static const WCHAR wszDotShellClassInfo[] = {'.','S','h','e','l','l','C','l','a','s','s','I','n','f','o',0};
  70
  71 /***************************************************************************
  72  *  SHELL32_GetCustomFolderAttribute (internal function)
  73  *
  74  * Gets a value from the folder's desktop.ini file, if one exists.
  75  *
  76  * PARAMETERS
  77  *  pidl          [I] Folder containing the desktop.ini file.
  78  *  pwszHeading   [I] Heading in .ini file.
  79  *  pwszAttribute [I] Attribute in .ini file.
  80  *  pwszValue     [O] Buffer to store value into.
  81  *  cchValue      [I] Size in characters including NULL of buffer pointed to
  82  *                    by pwszValue.
  83  *
  84  *  RETURNS
  85  *    TRUE if returned non-NULL value.
  86  *    FALSE otherwise.
  87  */
  88 BOOL SHELL32_GetCustomFolderAttribute(
  89     LPCITEMIDLIST pidl, LPCWSTR pwszHeading, LPCWSTR pwszAttribute,
  90     LPWSTR pwszValue, DWORD cchValue)
  91 {
  92 #if 0 /* Hack around not having system attribute on non-Windows file systems */
  93     DWORD dwAttrib = _ILGetFileAttributes(pidl, NULL, 0);
  94 #else
  95     DWORD dwAttrib = FILE_ATTRIBUTE_SYSTEM;
  96 #endif
  97     if (dwAttrib & FILE_ATTRIBUTE_SYSTEM)
  98     {
  99         DWORD ret;
 100         WCHAR wszDesktopIniPath[MAX_PATH];
 101         static const WCHAR wszDesktopIni[] =
 102             {'d','e','s','k','t','o','p','.','i','n','i',0};
 103         static const WCHAR wszDefault[] =
 104             {0};
 105         if (!SHGetPathFromIDListW(pidl, wszDesktopIniPath))
 106             return FALSE;
 107         PathAppendW(wszDesktopIniPath, wszDesktopIni);
 108         ret = GetPrivateProfileStringW(pwszHeading, pwszAttribute,
 109             wszDefault, pwszValue, cchValue, wszDesktopIniPath);
 110         if (!ret) return FALSE;
 111         return TRUE;
 112     }
 113     return FALSE;
 114 }
 115
 116
 117 /***************************************************************************
 118  *  GetNextElement (internal function)
 119  *
 120  * gets a part of a string till the first backslash
 121  *
 122  * PARAMETERS
 123  *  pszNext [IN] string to get the element from
 124  *  pszOut  [IN] pointer to buffer whitch receives string
 125  *  dwOut   [IN] length of pszOut
 126  *
 127  *  RETURNS
 128  *    LPSTR pointer to first, not yet parsed char
 129  */
 130
 131 LPCWSTR GetNextElementW (LPCWSTR pszNext, LPWSTR pszOut, DWORD dwOut)
 132 {
 133     LPCWSTR pszTail = pszNext;
 134     DWORD dwCopy;
 135
 136     TRACE ("(%s %p 0x%08lx)\n", debugstr_w (pszNext), pszOut, dwOut);
 137
 138     *pszOut = 0x0000;
 139
 140     if (!pszNext || !*pszNext)
 141         return NULL;
 142
 143     while (*pszTail && (*pszTail != (WCHAR) '\\'))
 144         pszTail++;
 145
 146     dwCopy = (const WCHAR *) pszTail - (const WCHAR *) pszNext + 1;
 147     lstrcpynW (pszOut, pszNext, (dwOut < dwCopy) ? dwOut : dwCopy);
 148
 149     if (*pszTail)
 150         pszTail++;
 151     else
 152         pszTail = NULL;
 153
 154     TRACE ("--(%s %s 0x%08lx %p)\n", debugstr_w (pszNext), debugstr_w (pszOut), dwOut, pszTail);
 155     return pszTail;
 156 }
 157
 158 HRESULT SHELL32_ParseNextElement (IShellFolder2 * psf, HWND hwndOwner, LPBC pbc,
 159                                   LPITEMIDLIST * pidlInOut, LPOLESTR szNext, DWORD * pEaten, DWORD * pdwAttributes)
 160 {
 161     HRESULT hr = E_INVALIDARG;
 162     LPITEMIDLIST pidlOut = NULL,
 163       pidlTemp = NULL;
 164     IShellFolder *psfChild;
 165
 166     TRACE ("(%p, %p, %p, %s)\n", psf, pbc, pidlInOut ? *pidlInOut : NULL, debugstr_w (szNext));
 167
 168     /* get the shellfolder for the child pidl and let it analyse further */
 169     hr = IShellFolder_BindToObject (psf, *pidlInOut, pbc, &IID_IShellFolder, (LPVOID *) & psfChild);
 170
 171     if (SUCCEEDED(hr)) {
 172         hr = IShellFolder_ParseDisplayName (psfChild, hwndOwner, pbc, szNext, pEaten, &pidlOut, pdwAttributes);
 173         IShellFolder_Release (psfChild);
 174
 175         if (SUCCEEDED(hr)) {
 176             pidlTemp = ILCombine (*pidlInOut, pidlOut);
 177
 178             if (!pidlTemp)
 179                 hr = E_OUTOFMEMORY;
 180         }
 181
 182         if (pidlOut)
 183             ILFree (pidlOut);
 184     }
 185
 186     ILFree (*pidlInOut);
 187     *pidlInOut = pidlTemp;
 188
 189     TRACE ("-- pidl=%p ret=0x%08lx\n", pidlInOut ? *pidlInOut : NULL, hr);
 190     return hr;
 191 }
 192
 193 /***********************************************************************
 194  *      SHELL32_CoCreateInitSF
 195  *
 196  * Creates a shell folder and initializes it with a pidl and a root folder
 197  * via IPersistFolder3 or IPersistFolder.
 198  *
 199  * NOTES
 200  *   pathRoot can be NULL for Folders beeing a drive.
 201  *   In this case the absolute path is build from pidlChild (eg. C:)
 202  */
 203 HRESULT SHELL32_CoCreateInitSF (LPCITEMIDLIST pidlRoot, LPCSTR pathRoot,
 204     LPCITEMIDLIST pidlChild, REFCLSID clsid, REFIID riid, LPVOID * ppvOut)
 205 {
 206     HRESULT hr;
 207
 208     TRACE ("%p %s %p\n", pidlRoot, pathRoot, pidlChild);
 209
 210     if (SUCCEEDED ((hr = SHCoCreateInstance (NULL, clsid, NULL, riid, ppvOut)))) {
 211         LPITEMIDLIST pidlAbsolute = ILCombine (pidlRoot, pidlChild);
 212         IPersistFolder *pPF;
 213         IPersistFolder3 *ppf;
 214
 215         if (SUCCEEDED (IUnknown_QueryInterface ((IUnknown *) * ppvOut, &IID_IPersistFolder3, (LPVOID *) & ppf))) {
 216             PERSIST_FOLDER_TARGET_INFO ppfti;
 217             char szDestPath[MAX_PATH];
 218
 219             ZeroMemory (&ppfti, sizeof (ppfti));
 220
 221             /* build path */
 222             if (pathRoot) {
 223                 lstrcpyA (szDestPath, pathRoot);
 224                 PathAddBackslashA(szDestPath);          /* FIXME: why have drives a backslash here ? */
 225             } else {
 226                 szDestPath[0] = '\0';
 227             }
 228
 229             if (pidlChild) {
 230                 LPSTR pszChild = _ILGetTextPointer(pidlChild);
 231
 232                 if (pszChild)
 233                     lstrcatA (szDestPath, pszChild);
 234                 else
 235                     hr = E_INVALIDARG;
 236             }
 237
 238             /* fill the PERSIST_FOLDER_TARGET_INFO */
 239             ppfti.dwAttributes = -1;
 240             ppfti.csidl = -1;
 241             MultiByteToWideChar (CP_ACP, 0, szDestPath, -1, ppfti.szTargetParsingName, MAX_PATH);
 242
 243             IPersistFolder3_InitializeEx (ppf, NULL, pidlAbsolute, &ppfti);
 244             IPersistFolder3_Release (ppf);
 245         }
 246         else if (SUCCEEDED ((hr = IUnknown_QueryInterface ((IUnknown *) * ppvOut, &IID_IPersistFolder, (LPVOID *) & pPF)))) {
 247             IPersistFolder_Initialize (pPF, pidlAbsolute);
 248             IPersistFolder_Release (pPF);
 249         }
 250         ILFree (pidlAbsolute);
 251     }
 252     TRACE ("-- (%p) ret=0x%08lx\n", *ppvOut, hr);
 253     return hr;
 254 }
 255
 256 /***********************************************************************
 257  *      SHELL32_BindToChild
 258  *
 259  * Common code for IShellFolder_BindToObject.
 260  * Creates a shell folder by binding to a root pidl.
 261  */
 262 HRESULT SHELL32_BindToChild (LPCITEMIDLIST pidlRoot,
 263                              LPCSTR pathRoot, LPCITEMIDLIST pidlComplete, REFIID riid, LPVOID * ppvOut)
 264 {
 265     GUID const *clsid;
 266     IShellFolder *pSF;
 267     HRESULT hr;
 268     LPITEMIDLIST pidlChild;
 269
 270     if (!pidlRoot || !ppvOut)
 271         return E_INVALIDARG;
 272
 273     *ppvOut = NULL;
 274
 275     pidlChild = ILCloneFirst (pidlComplete);
 276
 277     if ((clsid = _ILGetGUIDPointer (pidlChild))) {
 278         /* virtual folder */
 279         hr = SHELL32_CoCreateInitSF (pidlRoot, pathRoot, pidlChild, clsid, &IID_IShellFolder, (LPVOID *) & pSF);
 280     } else {
 281         /* file system folder */
 282         CLSID clsidFolder = CLSID_ShellFSFolder;
 283         static const WCHAR wszCLSID[] = {'C','L','S','I','D',0};
 284         WCHAR wszCLSIDValue[CHARS_IN_GUID];
 285         LPITEMIDLIST pidlAbsolute = ILCombine (pidlRoot, pidlChild);
 286         /* see if folder CLSID should be overridden by desktop.ini file */
 287         if (SHELL32_GetCustomFolderAttribute (pidlAbsolute,
 288             wszDotShellClassInfo, wszCLSID, wszCLSIDValue, CHARS_IN_GUID))
 289             CLSIDFromString (wszCLSIDValue, &clsidFolder);
 290         ILFree (pidlAbsolute);
 291         hr = SHELL32_CoCreateInitSF (pidlRoot, pathRoot, pidlChild,
 292             &clsidFolder, &IID_IShellFolder, (LPVOID *)&pSF);
 293     }
 294     ILFree (pidlChild);
 295
 296     if (SUCCEEDED (hr)) {
 297         if (_ILIsPidlSimple (pidlComplete)) {
 298             /* no sub folders */
 299             hr = IShellFolder_QueryInterface (pSF, riid, ppvOut);
 300         } else {
 301             /* go deeper */
 302             hr = IShellFolder_BindToObject (pSF, ILGetNext (pidlComplete), NULL, riid, ppvOut);
 303         }
 304         IShellFolder_Release (pSF);
 305     }
 306
 307     TRACE ("-- returning (%p) %08lx\n", *ppvOut, hr);
 308
 309     return hr;
 310 }
 311
 312 /***********************************************************************
 313  *      SHELL32_GetDisplayNameOfChild
 314  *
 315  * Retrives the display name of a child object of a shellfolder.
 316  *
 317  * For a pidl eg. [subpidl1][subpidl2][subpidl3]:
 318  * - it binds to the child shellfolder [subpidl1]
 319  * - asks it for the displayname of [subpidl2][subpidl3]
 320  *
 321  * Is possible the pidl is a simple pidl. In this case it asks the
 322  * subfolder for the displayname of a empty pidl. The subfolder
 323  * returns the own displayname eg. "::{guid}". This is used for
 324  * virtual folders with the registry key WantsFORPARSING set.
 325  */
 326 HRESULT SHELL32_GetDisplayNameOfChild (IShellFolder2 * psf,
 327                                        LPCITEMIDLIST pidl, DWORD dwFlags, LPSTR szOut, DWORD dwOutLen)
 328 {
 329     LPITEMIDLIST pidlFirst;
 330     HRESULT hr = E_INVALIDARG;
 331
 332     TRACE ("(%p)->(pidl=%p 0x%08lx %p 0x%08lx)\n", psf, pidl, dwFlags, szOut, dwOutLen);
 333     pdump (pidl);
 334
 335     pidlFirst = ILCloneFirst (pidl);
 336     if (pidlFirst) {
 337         IShellFolder2 *psfChild;
 338
 339         hr = IShellFolder_BindToObject (psf, pidlFirst, NULL, &IID_IShellFolder, (LPVOID *) & psfChild);
 340         if (SUCCEEDED (hr)) {
 341             STRRET strTemp;
 342             LPITEMIDLIST pidlNext = ILGetNext (pidl);
 343
 344             hr = IShellFolder_GetDisplayNameOf (psfChild, pidlNext, dwFlags, &strTemp);
 345             if (SUCCEEDED (hr)) {
 346                 hr = StrRetToStrNA (szOut, dwOutLen, &strTemp, pidlNext);
 347             }
 348             IShellFolder_Release (psfChild);
 349         }
 350         ILFree (pidlFirst);
 351     } else
 352         hr = E_OUTOFMEMORY;
 353
 354     TRACE ("-- ret=0x%08lx %s\n", hr, szOut);
 355
 356     return hr;
 357 }
 358
 359 /***********************************************************************
 360  *  SHELL32_GetItemAttributes
 361  *
 362  * NOTES
 363  * observerd values:
 364  *  folder:     0xE0000177      FILESYSTEM | HASSUBFOLDER | FOLDER
 365  *  file:       0x40000177      FILESYSTEM
 366  *  drive:      0xf0000144      FILESYSTEM | HASSUBFOLDER | FOLDER | FILESYSANCESTOR
 367  *  mycomputer: 0xb0000154      HASSUBFOLDER | FOLDER | FILESYSANCESTOR
 368  *  (seems to be default for shell extensions if no registry entry exists)
 369  *
 370  * win2k:
 371  *  folder:    0xF0400177      FILESYSTEM | HASSUBFOLDER | FOLDER | FILESYSANCESTOR | CANMONIKER
 372  *  file:      0x40400177      FILESYSTEM | CANMONIKER
 373  *  drive      0xF0400154      FILESYSTEM | HASSUBFOLDER | FOLDER | FILESYSANCESTOR | CANMONIKER | CANRENAME (LABEL)
 374  *
 375  * This function does not set flags!! It only resets flags when necessary.
 376  */
 377 HRESULT SHELL32_GetItemAttributes (IShellFolder * psf, LPCITEMIDLIST pidl, LPDWORD pdwAttributes)
 378 {
 379     GUID const *clsid;
 380     DWORD dwAttributes;
 381     DWORD dwSupportedAttr=SFGAO_CANCOPY |           /*0x00000001 */
 382                           SFGAO_CANMOVE |           /*0x00000002 */
 383                           SFGAO_CANLINK |           /*0x00000004 */
 384                           SFGAO_CANRENAME |         /*0x00000010 */
 385                           SFGAO_CANDELETE |         /*0x00000020 */
 386                           SFGAO_HASPROPSHEET |      /*0x00000040 */
 387                           SFGAO_DROPTARGET |        /*0x00000100 */
 388                           SFGAO_LINK |              /*0x00010000 */
 389                           SFGAO_READONLY |          /*0x00040000 */
 390                           SFGAO_HIDDEN |            /*0x00080000 */
 391                           SFGAO_FILESYSANCESTOR |   /*0x10000000 */
 392                           SFGAO_FOLDER |            /*0x20000000 */
 393                           SFGAO_FILESYSTEM |        /*0x40000000 */
 394                           SFGAO_HASSUBFOLDER;       /*0x80000000 */
 395
 396     TRACE ("0x%08lx\n", *pdwAttributes);
 397
 398     if (*pdwAttributes & ~dwSupportedAttr)
 399     {
 400         WARN ("attributes 0x%08lx not implemented\n", (*pdwAttributes & ~dwSupportedAttr));
 401         *pdwAttributes &= dwSupportedAttr;
 402     }
 403
 404     if (_ILIsDrive (pidl)) {
 405         *pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANLINK;
 406     } else if ((clsid = _ILGetGUIDPointer (pidl))) {
 407         if (HCR_GetFolderAttributes (clsid, &dwAttributes)) {
 408             *pdwAttributes &= dwAttributes;
 409         } else {
 410             *pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANRENAME|SFGAO_CANLINK;
 411         }
 412     } else if (_ILGetDataPointer (pidl)) {
 413         dwAttributes = _ILGetFileAttributes (pidl, NULL, 0);
 414         *pdwAttributes &= ~SFGAO_FILESYSANCESTOR;
 415
 416         if ((SFGAO_FOLDER & *pdwAttributes) && !(dwAttributes & FILE_ATTRIBUTE_DIRECTORY))
 417             *pdwAttributes &= ~(SFGAO_FOLDER | SFGAO_HASSUBFOLDER);
 418
 419         if ((SFGAO_HIDDEN & *pdwAttributes) && !(dwAttributes & FILE_ATTRIBUTE_HIDDEN))
 420             *pdwAttributes &= ~SFGAO_HIDDEN;
 421
 422         if ((SFGAO_READONLY & *pdwAttributes) && !(dwAttributes & FILE_ATTRIBUTE_READONLY))
 423             *pdwAttributes &= ~SFGAO_READONLY;
 424
 425         if (SFGAO_LINK & *pdwAttributes) {
 426             char ext[MAX_PATH];
 427
 428             if (!_ILGetExtension(pidl, ext, MAX_PATH) || strcasecmp(ext, "lnk"))
 429                 *pdwAttributes &= ~SFGAO_LINK;
 430         }
 431     } else {
 432         *pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANRENAME|SFGAO_CANLINK;
 433     }
 434     TRACE ("-- 0x%08lx\n", *pdwAttributes);
 435     return S_OK;
 436 }
 437
 438 /***********************************************************************
 439  *  SHELL32_CompareIDs
 440  */
 441 HRESULT SHELL32_CompareIDs (IShellFolder * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 442 {
 443     int type1,
 444       type2;
 445     char szTemp1[MAX_PATH];
 446     char szTemp2[MAX_PATH];
 447     HRESULT nReturn;
 448     LPITEMIDLIST firstpidl,
 449       nextpidl1,
 450       nextpidl2;
 451     IShellFolder *psf;
 452
 453     /* test for empty pidls */
 454     BOOL isEmpty1 = _ILIsDesktop (pidl1);
 455     BOOL isEmpty2 = _ILIsDesktop (pidl2);
 456
 457     if (isEmpty1 && isEmpty2)
 458         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 0 );
 459     if (isEmpty1)
 460         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
 461     if (isEmpty2)
 462         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
 463
 464     /* test for different types. Sort order is the PT_* constant */
 465     type1 = _ILGetDataPointer (pidl1)->type;
 466     type2 = _ILGetDataPointer (pidl2)->type;
 467     if (type1 < type2)
 468         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
 469     else if (type1 > type2)
 470         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
 471
 472     /* test for name of pidl */
 473     _ILSimpleGetText (pidl1, szTemp1, MAX_PATH);
 474     _ILSimpleGetText (pidl2, szTemp2, MAX_PATH);
 475     nReturn = strcasecmp (szTemp1, szTemp2);
 476     if (nReturn < 0)
 477         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
 478     else if (nReturn > 0)
 479         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
 480
 481     /* test of complex pidls */
 482     firstpidl = ILCloneFirst (pidl1);
 483     nextpidl1 = ILGetNext (pidl1);
 484     nextpidl2 = ILGetNext (pidl2);
 485
 486     /* optimizing: test special cases and bind not deeper */
 487     /* the deeper shellfolder would do the same */
 488     isEmpty1 = _ILIsDesktop (nextpidl1);
 489     isEmpty2 = _ILIsDesktop (nextpidl2);
 490
 491     if (isEmpty1 && isEmpty2) {
 492         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 0 );
 493     } else if (isEmpty1) {
 494         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
 495     } else if (isEmpty2) {
 496         return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
 497     /* optimizing end */
 498     } else if (SUCCEEDED (IShellFolder_BindToObject (iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID *) & psf))) {
 499         nReturn = IShellFolder_CompareIDs (psf, lParam, nextpidl1, nextpidl2);
 500         IShellFolder_Release (psf);
 501     }
 502     ILFree (firstpidl);
 503     return nReturn;
 504 }
 505
 506 /***********************************************************************
 507  *  SHCreateLinks
 508  *
 509  *   Undocumented.
 510  */
 511 HRESULT WINAPI SHCreateLinks( HWND hWnd, LPCSTR lpszDir, LPDATAOBJECT lpDataObject,
 512                               UINT uFlags, LPITEMIDLIST *lppidlLinks)
 513 {
 514     FIXME("%p %s %p %08x %p\n",hWnd,lpszDir,lpDataObject,uFlags,lppidlLinks);
 515     return E_NOTIMPL;
 516 }