dll/win32/shell32/folders/CNetFolder.cpp

   1 /*
   2  *    Network Places (Neighbourhood) folder
   3  *
   4  *    Copyright 1997                Marcus Meissner
   5  *    Copyright 1998, 1999, 2002    Juergen Schmied
   6  *    Copyright 2003              Mike McCormack for Codeweavers
   7  *    Copyright 2009              Andrew Hill
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include <precomp.h>
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  27
  28 #define HACKY_UNC_PATHS
  29
  30 #ifdef HACKY_UNC_PATHS
  31 LPITEMIDLIST ILCreateFromNetworkPlaceW(LPCWSTR lpNetworkPlace)
  32 {
  33     int cbData = sizeof(WORD) + sizeof(WCHAR) * (wcslen(lpNetworkPlace)+1);
  34     LPITEMIDLIST pidl = (LPITEMIDLIST)SHAlloc(cbData + sizeof(WORD));
  35     if (!pidl)
  36         return NULL;
  37
  38     pidl->mkid.cb = cbData;
  39     wcscpy((WCHAR*)&pidl->mkid.abID[0], lpNetworkPlace);
  40     *(WORD*)((char*)pidl + cbData) = 0;
  41
  42     return pidl;
  43 }
  44 #endif
  45
  46 /***********************************************************************
  47 *   IShellFolder implementation
  48 */
  49
  50 HRESULT CNetFolderExtractIcon_CreateInstance(LPCITEMIDLIST pidl, REFIID riid, LPVOID * ppvOut)
  51 {
  52     CComPtr<IDefaultExtractIconInit> initIcon;
  53     HRESULT hr = SHCreateDefaultExtractIcon(IID_PPV_ARG(IDefaultExtractIconInit, &initIcon));
  54     if (FAILED_UNEXPECTEDLY(hr))
  55         return hr;
  56
  57     initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_NETWORK_FOLDER);
  58
  59     return initIcon->QueryInterface(riid, ppvOut);
  60 }
  61
  62 HRESULT CALLBACK NetFolderMenuCallback(IShellFolder *psf,
  63                                        HWND         hwnd,
  64                                        IDataObject  *pdtobj,
  65                                        UINT         uMsg,
  66                                        WPARAM       wParam,
  67                                        LPARAM       lParam)
  68 {
  69     switch (uMsg)
  70     {
  71     case DFM_MERGECONTEXTMENU:
  72         return S_OK;
  73     case DFM_INVOKECOMMAND:
  74     case DFM_INVOKECOMMANDEX:
  75     case DFM_GETDEFSTATICID: // Required for Windows 7 to pick a default
  76         return S_FALSE;
  77     }
  78     return E_NOTIMPL;
  79 }
  80
  81 class CNetFolderEnum :
  82     public CEnumIDListBase
  83 {
  84     public:
  85         CNetFolderEnum();
  86         ~CNetFolderEnum();
  87         HRESULT WINAPI Initialize(HWND hwndOwner, DWORD dwFlags);
  88         BOOL CreateMyCompEnumList(DWORD dwFlags);
  89         BOOL EnumerateRec(LPNETRESOURCE lpNet);
  90
  91         BEGIN_COM_MAP(CNetFolderEnum)
  92         COM_INTERFACE_ENTRY_IID(IID_IEnumIDList, IEnumIDList)
  93         END_COM_MAP()
  94 };
  95
  96 static shvheader NetworkPlacesSFHeader[] = {
  97     {IDS_SHV_COLUMN_NAME, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  98     {IDS_SHV_COLUMN_CATEGORY, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  99     {IDS_SHV_COLUMN_WORKGROUP, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
 100     {IDS_SHV_COLUMN_NETLOCATION, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15}
 101 };
 102
 103 #define COLUMN_NAME          0
 104 #define COLUMN_CATEGORY      1
 105 #define COLUMN_WORKGROUP     2
 106 #define COLUMN_NETLOCATION   3
 107
 108 #define NETWORKPLACESSHELLVIEWCOLUMNS 4
 109
 110 CNetFolderEnum::CNetFolderEnum()
 111 {
 112 }
 113
 114 CNetFolderEnum::~CNetFolderEnum()
 115 {
 116 }
 117
 118 HRESULT WINAPI CNetFolderEnum::Initialize(HWND hwndOwner, DWORD dwFlags)
 119 {
 120     if (CreateMyCompEnumList(dwFlags) == FALSE)
 121         return E_FAIL;
 122
 123     return S_OK;
 124 }
 125
 126 /**************************************************************************
 127  *  CDrivesFolderEnum::CreateMyCompEnumList()
 128  */
 129
 130 BOOL CNetFolderEnum::EnumerateRec(LPNETRESOURCE lpNet)
 131 {
 132     BOOL bRet = TRUE;
 133     DWORD dRet;
 134     HANDLE hEnum;
 135     LPNETRESOURCE lpRes;
 136     DWORD dSize = 0x1000;
 137     DWORD dCount = -1;
 138     LPNETRESOURCE lpCur;
 139
 140     dRet = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK, 0, lpNet, &hEnum);
 141     if (dRet != WN_SUCCESS)
 142     {
 143         ERR("WNetOpenEnum() failed: %x\n", dRet);
 144         return FALSE;
 145     }
 146
 147     lpRes = (LPNETRESOURCE)CoTaskMemAlloc(dSize);
 148     if (!lpRes)
 149     {
 150         ERR("CoTaskMemAlloc() failed\n");
 151         WNetCloseEnum(hEnum);
 152         return FALSE;
 153     }
 154
 155     do
 156     {
 157         dSize = 0x1000;
 158         dCount = -1;
 159
 160         memset(lpRes, 0, dSize);
 161         dRet = WNetEnumResource(hEnum, &dCount, lpRes, &dSize);
 162         if (dRet == WN_SUCCESS || dRet == WN_MORE_DATA)
 163         {
 164             lpCur = lpRes;
 165             for (; dCount; dCount--)
 166             {
 167                 TRACE("lpRemoteName: %S\n", lpCur->lpRemoteName);
 168
 169                 if ((lpCur->dwUsage & RESOURCEUSAGE_CONTAINER) == RESOURCEUSAGE_CONTAINER)
 170                 {
 171                     TRACE("Found provider: %S\n", lpCur->lpProvider);
 172                     EnumerateRec(lpCur);
 173                 }
 174                 else
 175                 {
 176                     LPITEMIDLIST pidl;
 177
 178 #ifdef HACKY_UNC_PATHS
 179                     pidl = ILCreateFromNetworkPlaceW(lpCur->lpRemoteName);
 180 #endif
 181                     if (pidl != NULL)
 182                         bRet = AddToEnumList(pidl);
 183                     else
 184                     {
 185                         ERR("ILCreateFromPathW() failed\n");
 186                         bRet = FALSE;
 187                         break;
 188                     }
 189                 }
 190
 191                 lpCur++;
 192             }
 193         }
 194     } while (dRet != WN_NO_MORE_ENTRIES);
 195
 196     CoTaskMemFree(lpRes);
 197     WNetCloseEnum(hEnum);
 198
 199     TRACE("Done: %u\n", bRet);
 200
 201     return bRet;
 202 }
 203
 204 BOOL CNetFolderEnum::CreateMyCompEnumList(DWORD dwFlags)
 205 {
 206     BOOL bRet = TRUE;
 207
 208     TRACE("(%p)->(flags=0x%08x)\n", this, dwFlags);
 209
 210     /* enumerate the folders */
 211     if (dwFlags & SHCONTF_FOLDERS)
 212     {
 213         bRet = EnumerateRec(NULL);
 214     }
 215
 216     return bRet;
 217 }
 218
 219 CNetFolder::CNetFolder()
 220 {
 221     pidlRoot = NULL;
 222 }
 223
 224 CNetFolder::~CNetFolder()
 225 {
 226     if (pidlRoot)
 227         SHFree(pidlRoot);
 228 }
 229
 230 /**************************************************************************
 231 *    CNetFolder::ParseDisplayName
 232 */
 233 HRESULT WINAPI CNetFolder::ParseDisplayName(HWND hwndOwner, LPBC pbcReserved, LPOLESTR lpszDisplayName,
 234         DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes)
 235 {
 236     HRESULT hr = E_UNEXPECTED;
 237 #ifdef HACKY_UNC_PATHS
 238     /* FIXME: the code below is an ugly hack */
 239
 240     /* Can we use a CFSFolder on that path? */
 241     DWORD attrs = GetFileAttributes(lpszDisplayName);
 242     if ((attrs & FILE_ATTRIBUTE_DIRECTORY))
 243     {
 244         if (pchEaten)
 245             *pchEaten = 0;        /* strange but like the original */
 246
 247         /* YES WE CAN */
 248
 249         /* Create our hacky pidl */
 250         LPITEMIDLIST pidl = ILCreateFromNetworkPlaceW(lpszDisplayName);
 251
 252         *ppidl = pidl;
 253         if (pdwAttributes)
 254             *pdwAttributes = SFGAO_FILESYSTEM | SFGAO_CANLINK | SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_FILESYSANCESTOR;
 255         return S_OK;
 256     }
 257 #endif
 258
 259     TRACE("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n", this,
 260           hwndOwner, pbcReserved, lpszDisplayName, debugstr_w (lpszDisplayName),
 261           pchEaten, ppidl, pdwAttributes);
 262
 263     *ppidl = 0;
 264     if (pchEaten)
 265         *pchEaten = 0;        /* strange but like the original */
 266
 267     TRACE("(%p)->(-- ret=0x%08x)\n", this, hr);
 268
 269     return hr;
 270 }
 271
 272 /**************************************************************************
 273 *        CNetFolder::EnumObjects
 274 */
 275 HRESULT WINAPI CNetFolder::EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList)
 276 {
 277     return ShellObjectCreatorInit<CNetFolderEnum>(hwndOwner, dwFlags, IID_PPV_ARG(IEnumIDList, ppEnumIDList));
 278 }
 279
 280 /**************************************************************************
 281 *        CNetFolder::BindToObject
 282 */
 283 HRESULT WINAPI CNetFolder::BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 284 {
 285 #ifdef HACKY_UNC_PATHS
 286     /* Create the target folder info */
 287     PERSIST_FOLDER_TARGET_INFO pfti = {0};
 288     pfti.dwAttributes = -1;
 289     pfti.csidl = -1;
 290     StringCchCopyW(pfti.szTargetParsingName, MAX_PATH, (WCHAR*)pidl->mkid.abID);
 291
 292     return SHELL32_BindToSF(pidlRoot, &pfti, pidl, &CLSID_ShellFSFolder, riid, ppvOut);
 293 #else
 294     return E_NOTIMPL;
 295 #endif
 296 }
 297
 298 /**************************************************************************
 299 *    CNetFolder::BindToStorage
 300 */
 301 HRESULT WINAPI CNetFolder::BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 302 {
 303     FIXME("(%p)->(pidl=%p,%p,%s,%p) stub\n", this,
 304           pidl, pbcReserved, shdebugstr_guid (&riid), ppvOut);
 305
 306     *ppvOut = NULL;
 307     return E_NOTIMPL;
 308 }
 309
 310 /**************************************************************************
 311 *     CNetFolder::CompareIDs
 312 */
 313
 314 HRESULT WINAPI CNetFolder::CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
 315 {
 316     return E_NOTIMPL;
 317 }
 318
 319 /**************************************************************************
 320 *    CNetFolder::CreateViewObject
 321 */
 322 HRESULT WINAPI CNetFolder::CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
 323 {
 324     CComPtr<IShellView> pShellView;
 325     HRESULT hr = E_INVALIDARG;
 326
 327     TRACE("(%p)->(hwnd=%p,%s,%p)\n", this,
 328           hwndOwner, shdebugstr_guid (&riid), ppvOut);
 329
 330     if (!ppvOut)
 331         return hr;
 332
 333     *ppvOut = NULL;
 334
 335     if (IsEqualIID(riid, IID_IDropTarget))
 336     {
 337         WARN("IDropTarget not implemented\n");
 338         hr = E_NOTIMPL;
 339     }
 340     else if (IsEqualIID(riid, IID_IContextMenu))
 341     {
 342         WARN("IContextMenu not implemented\n");
 343         hr = E_NOTIMPL;
 344     }
 345     else if (IsEqualIID(riid, IID_IShellView))
 346     {
 347             SFV_CREATE sfvparams = {sizeof(SFV_CREATE), this};
 348             hr = SHCreateShellFolderView(&sfvparams, (IShellView**)ppvOut);
 349     }
 350     TRACE("-- (%p)->(interface=%p)\n", this, ppvOut);
 351     return hr;
 352 }
 353
 354 /**************************************************************************
 355 *  CNetFolder::GetAttributesOf
 356 */
 357 HRESULT WINAPI CNetFolder::GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut)
 358 {
 359     static const DWORD dwNethoodAttributes =
 360         SFGAO_STORAGE | SFGAO_HASPROPSHEET | SFGAO_STORAGEANCESTOR |
 361         SFGAO_FILESYSANCESTOR | SFGAO_FOLDER | SFGAO_FILESYSTEM | SFGAO_HASSUBFOLDER | SFGAO_CANRENAME | SFGAO_CANDELETE;
 362     HRESULT hr = S_OK;
 363
 364     TRACE("(%p)->(cidl=%d apidl=%p mask=%p (0x%08x))\n", this,
 365           cidl, apidl, rgfInOut, rgfInOut ? *rgfInOut : 0);
 366
 367     if (!rgfInOut)
 368         return E_INVALIDARG;
 369     if (cidl && !apidl)
 370         return E_INVALIDARG;
 371
 372     if (*rgfInOut == 0)
 373         *rgfInOut = ~0;
 374
 375     if(cidl == 0)
 376         *rgfInOut = dwNethoodAttributes;
 377     else
 378     {
 379         /* FIXME: Implement when enumerating items is implemented */
 380 #ifdef HACKY_UNC_PATHS
 381         *rgfInOut = SFGAO_FILESYSTEM | SFGAO_CANLINK | SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_FILESYSANCESTOR;
 382 #endif
 383     }
 384
 385     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
 386     *rgfInOut &= ~SFGAO_VALIDATE;
 387
 388     TRACE("-- result=0x%08x\n", *rgfInOut);
 389     return hr;
 390 }
 391
 392 /**************************************************************************
 393 *    CNetFolder::GetUIObjectOf
 394 *
 395 * PARAMETERS
 396 *  hwndOwner [in]  Parent window for any output
 397 *  cidl      [in]  array size
 398 *  apidl     [in]  simple pidl array
 399 *  riid      [in]  Requested Interface
 400 *  prgfInOut [   ] reserved
 401 *  ppvObject [out] Resulting Interface
 402 *
 403 */
 404 HRESULT WINAPI CNetFolder::GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid,
 405         UINT * prgfInOut, LPVOID * ppvOut)
 406 {
 407     LPVOID pObj = NULL;
 408     HRESULT hr = E_INVALIDARG;
 409
 410     TRACE("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n", this,
 411           hwndOwner, cidl, apidl, shdebugstr_guid (&riid), prgfInOut, ppvOut);
 412
 413     if (!ppvOut)
 414         return hr;
 415
 416     *ppvOut = NULL;
 417
 418     if (IsEqualIID(riid, IID_IContextMenu) && (cidl >= 1))
 419     {
 420         IContextMenu * pCm = NULL;
 421         HKEY hkey;
 422         UINT cKeys = 0;
 423         AddClassKeyToArray(L"Folder", &hkey, &cKeys);
 424         hr = CDefFolderMenu_Create2(pidlRoot, hwndOwner, cidl, apidl, this, NetFolderMenuCallback, cKeys, &hkey, &pCm);
 425         pObj = pCm;
 426     }
 427     else if (IsEqualIID(riid, IID_IDataObject) && (cidl >= 1))
 428     {
 429         IDataObject * pDo = NULL;
 430         hr = IDataObject_Constructor (hwndOwner, pidlRoot, apidl, cidl, &pDo);
 431         pObj = pDo;
 432     }
 433     else if ((IsEqualIID(riid, IID_IExtractIconA) || IsEqualIID(riid, IID_IExtractIconW)) && (cidl == 1))
 434     {
 435         hr = CNetFolderExtractIcon_CreateInstance(apidl[0], riid, &pObj);
 436     }
 437     else if (IsEqualIID(riid, IID_IDropTarget) && (cidl >= 1))
 438     {
 439         IDropTarget * pDt = NULL;
 440         hr = this->QueryInterface(IID_PPV_ARG(IDropTarget, &pDt));
 441         pObj = pDt;
 442     }
 443     else
 444         hr = E_NOINTERFACE;
 445
 446     if (SUCCEEDED(hr) && !pObj)
 447         hr = E_OUTOFMEMORY;
 448
 449     *ppvOut = pObj;
 450     TRACE("(%p)->hr=0x%08x\n", this, hr);
 451     return hr;
 452 }
 453
 454 /**************************************************************************
 455 *    CNetFolder::GetDisplayNameOf
 456 *
 457 */
 458 HRESULT WINAPI CNetFolder::GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet)
 459 {
 460     if (!strRet || !pidl || !pidl->mkid.cb)
 461         return E_INVALIDARG;
 462
 463 #ifdef HACKY_UNC_PATHS
 464     return SHSetStrRet(strRet, (LPCWSTR)pidl->mkid.abID);
 465 #endif
 466     return E_NOTIMPL;
 467 }
 468
 469 /**************************************************************************
 470 *  CNetFolder::SetNameOf
 471 *  Changes the name of a file object or subfolder, possibly changing its item
 472 *  identifier in the process.
 473 *
 474 * PARAMETERS
 475 *  hwndOwner [in]  Owner window for output
 476 *  pidl      [in]  simple pidl of item to change
 477 *  lpszName  [in]  the items new display name
 478 *  dwFlags   [in]  SHGNO formatting flags
 479 *  ppidlOut  [out] simple pidl returned
 480 */
 481 HRESULT WINAPI CNetFolder::SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl,    /*simple pidl */
 482                                      LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut)
 483 {
 484     FIXME("(%p)->(%p,pidl=%p,%s,%u,%p)\n", this,
 485           hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
 486     return E_FAIL;
 487 }
 488
 489 HRESULT WINAPI CNetFolder::GetDefaultSearchGUID(GUID *pguid)
 490 {
 491     FIXME("(%p)\n", this);
 492     return E_NOTIMPL;
 493 }
 494
 495 HRESULT WINAPI CNetFolder::EnumSearches(IEnumExtraSearch ** ppenum)
 496 {
 497     FIXME("(%p)\n", this);
 498     return E_NOTIMPL;
 499 }
 500
 501 HRESULT WINAPI CNetFolder::GetDefaultColumn (DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
 502 {
 503     TRACE("(%p)\n", this);
 504
 505     if (pSort)
 506         *pSort = 0;
 507     if (pDisplay)
 508         *pDisplay = 0;
 509
 510     return S_OK;
 511 }
 512
 513 HRESULT WINAPI CNetFolder::GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags)
 514 {
 515     TRACE("(%p)\n", this);
 516
 517     if (!pcsFlags || iColumn >= NETWORKPLACESSHELLVIEWCOLUMNS)
 518         return E_INVALIDARG;
 519     *pcsFlags = NetworkPlacesSFHeader[iColumn].pcsFlags;
 520     return S_OK;
 521 }
 522
 523 HRESULT WINAPI CNetFolder::GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 524 {
 525     FIXME("(%p)\n", this);
 526     return E_NOTIMPL;
 527 }
 528
 529 HRESULT WINAPI CNetFolder::GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd)
 530 {
 531     if (iColumn >= NETWORKPLACESSHELLVIEWCOLUMNS)
 532         return E_FAIL;
 533
 534     psd->fmt = NetworkPlacesSFHeader[iColumn].fmt;
 535     psd->cxChar = NetworkPlacesSFHeader[iColumn].cxChar;
 536     if (pidl == NULL)
 537         return SHSetStrRet(&psd->str, NetworkPlacesSFHeader[iColumn].colnameid);
 538
 539     if (iColumn == COLUMN_NAME)
 540         return GetDisplayNameOf(pidl, SHGDN_NORMAL, &psd->str);
 541
 542     FIXME("(%p)->(%p %i %p)\n", this, pidl, iColumn, psd);
 543
 544     return E_NOTIMPL;
 545 }
 546
 547 HRESULT WINAPI CNetFolder::MapColumnToSCID(UINT column, SHCOLUMNID *pscid)
 548 {
 549     FIXME("(%p)\n", this);
 550
 551     return E_NOTIMPL;
 552 }
 553
 554 /************************************************************************
 555  *    CNetFolder::GetClassID
 556  */
 557 HRESULT WINAPI CNetFolder::GetClassID(CLSID *lpClassId)
 558 {
 559     TRACE("(%p)\n", this);
 560
 561     if (!lpClassId)
 562         return E_POINTER;
 563
 564     *lpClassId = CLSID_NetworkPlaces;
 565
 566     return S_OK;
 567 }
 568
 569 /************************************************************************
 570  *    CNetFolder::Initialize
 571  *
 572  * NOTES: it makes no sense to change the pidl
 573  */
 574 HRESULT WINAPI CNetFolder::Initialize(PCIDLIST_ABSOLUTE pidl)
 575 {
 576     if (pidlRoot)
 577         SHFree((LPVOID)pidlRoot);
 578
 579     pidlRoot = ILClone(pidl);
 580     return S_OK;
 581 }
 582
 583 /**************************************************************************
 584  *    CNetFolder::GetCurFolder
 585  */
 586 HRESULT WINAPI CNetFolder::GetCurFolder(PIDLIST_ABSOLUTE *pidl)
 587 {
 588     TRACE("(%p)->(%p)\n", this, pidl);
 589
 590     if (!pidl)
 591         return E_POINTER;
 592
 593     *pidl = ILClone(pidlRoot);
 594
 595     return S_OK;
 596 }