reactos/dll/win32/shell32/folders/CRegFolder.cpp

   1 /*
   2  * ReactOS Shell
   3  *
   4  * Copyright 2016 Giannis Adamopoulos
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <precomp.h>
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  24
  25 HRESULT CGuidItemExtractIcon_CreateInstance(LPCITEMIDLIST pidl, REFIID iid, LPVOID * ppvOut)
  26 {
  27     CComPtr<IDefaultExtractIconInit>    initIcon;
  28     HRESULT hr;
  29     GUID const * riid;
  30     int icon_idx;
  31     WCHAR wTemp[MAX_PATH];
  32
  33     hr = SHCreateDefaultExtractIcon(IID_PPV_ARG(IDefaultExtractIconInit,&initIcon));
  34     if (FAILED(hr))
  35         return hr;
  36
  37     if (_ILIsDesktop(pidl))
  38     {
  39         initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_DESKTOP);
  40         return initIcon->QueryInterface(iid, ppvOut);
  41     }
  42
  43     riid = _ILGetGUIDPointer(pidl);
  44     if (!riid)
  45         return E_FAIL;
  46
  47     /* my computer and other shell extensions */
  48     static const WCHAR fmt[] = { 'C', 'L', 'S', 'I', 'D', '\\',
  49                                  '{', '%', '0', '8', 'l', 'x', '-', '%', '0', '4', 'x', '-', '%', '0', '4', 'x', '-',
  50                                  '%', '0', '2', 'x', '%', '0', '2', 'x', '-', '%', '0', '2', 'x', '%', '0', '2', 'x',
  51                                  '%', '0', '2', 'x', '%', '0', '2', 'x', '%', '0', '2', 'x', '%', '0', '2', 'x', '}', 0
  52                                };
  53     WCHAR xriid[50];
  54
  55     swprintf(xriid, fmt,
  56              riid->Data1, riid->Data2, riid->Data3,
  57              riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
  58              riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]);
  59
  60     const WCHAR* iconname = NULL;
  61     if (_ILIsBitBucket(pidl))
  62     {
  63         static const WCHAR szFull[] = {'F','u','l','l',0};
  64         static const WCHAR szEmpty[] = {'E','m','p','t','y',0};
  65         CComPtr<IEnumIDList> EnumIDList;
  66         CoInitialize(NULL);
  67
  68         CComPtr<IShellFolder2> psfRecycleBin;
  69         CComPtr<IShellFolder> psfDesktop;
  70         hr = SHGetDesktopFolder(&psfDesktop);
  71
  72         if (SUCCEEDED(hr))
  73             hr = psfDesktop->BindToObject(pidl, NULL, IID_PPV_ARG(IShellFolder2, &psfRecycleBin));
  74         if (SUCCEEDED(hr))
  75             hr = psfRecycleBin->EnumObjects(NULL, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &EnumIDList);
  76
  77         ULONG itemcount;
  78         LPITEMIDLIST pidl = NULL;
  79         if (SUCCEEDED(hr) && (hr = EnumIDList->Next(1, &pidl, &itemcount)) == S_OK)
  80         {
  81             CoTaskMemFree(pidl);
  82             iconname = szFull;
  83         } else {
  84             iconname = szEmpty;
  85         }
  86     }
  87
  88     if (HCR_GetIconW(xriid, wTemp, iconname, MAX_PATH, &icon_idx))
  89     {
  90         initIcon->SetNormalIcon(wTemp, icon_idx);
  91     }
  92     else
  93     {
  94         if (IsEqualGUID(*riid, CLSID_MyComputer))
  95             initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_MY_COMPUTER);
  96         else if (IsEqualGUID(*riid, CLSID_MyDocuments))
  97             initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_MY_DOCUMENTS);
  98         else if (IsEqualGUID(*riid, CLSID_NetworkPlaces))
  99             initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_MY_NETWORK_PLACES);
 100         else
 101             initIcon->SetNormalIcon(swShell32Name, -IDI_SHELL_FOLDER);
 102     }
 103
 104     return initIcon->QueryInterface(iid, ppvOut);
 105 }
 106
 107 class CRegFolder :
 108     public CComObjectRootEx<CComMultiThreadModelNoCS>,
 109     public IShellFolder2
 110 {
 111     private:
 112         GUID m_guid;
 113         CAtlStringW m_rootPath;
 114         CComHeapPtr<ITEMIDLIST> m_pidlRoot;
 115
 116         HRESULT GetGuidItemAttributes (LPCITEMIDLIST pidl, LPDWORD pdwAttributes);
 117     public:
 118         CRegFolder();
 119         ~CRegFolder();
 120         HRESULT WINAPI Initialize(const GUID *pGuid, LPCITEMIDLIST pidlRoot, LPCWSTR lpszPath);
 121
 122         // IShellFolder
 123         virtual HRESULT WINAPI ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, ULONG *pchEaten, PIDLIST_RELATIVE *ppidl, ULONG *pdwAttributes);
 124         virtual HRESULT WINAPI EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList);
 125         virtual HRESULT WINAPI BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
 126         virtual HRESULT WINAPI BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut);
 127         virtual HRESULT WINAPI CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2);
 128         virtual HRESULT WINAPI CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut);
 129         virtual HRESULT WINAPI GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut);
 130         virtual HRESULT WINAPI GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut);
 131         virtual HRESULT WINAPI GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet);
 132         virtual HRESULT WINAPI SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut);
 133
 134         /* ShellFolder2 */
 135         virtual HRESULT WINAPI GetDefaultSearchGUID(GUID *pguid);
 136         virtual HRESULT WINAPI EnumSearches(IEnumExtraSearch **ppenum);
 137         virtual HRESULT WINAPI GetDefaultColumn(DWORD dwRes, ULONG *pSort, ULONG *pDisplay);
 138         virtual HRESULT WINAPI GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags);
 139         virtual HRESULT WINAPI GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv);
 140         virtual HRESULT WINAPI GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd);
 141         virtual HRESULT WINAPI MapColumnToSCID(UINT column, SHCOLUMNID *pscid);
 142
 143         DECLARE_NOT_AGGREGATABLE(CRegFolder)
 144
 145         DECLARE_PROTECT_FINAL_CONSTRUCT()
 146
 147         BEGIN_COM_MAP(CRegFolder)
 148         COM_INTERFACE_ENTRY_IID(IID_IShellFolder2, IShellFolder2)
 149         COM_INTERFACE_ENTRY_IID(IID_IShellFolder, IShellFolder)
 150         END_COM_MAP()
 151 };
 152
 153 CRegFolder::CRegFolder()
 154 {
 155 }
 156
 157 CRegFolder::~CRegFolder()
 158 {
 159 }
 160
 161 HRESULT WINAPI CRegFolder::Initialize(const GUID *pGuid, LPCITEMIDLIST pidlRoot, LPCWSTR lpszPath)
 162 {
 163     memcpy(&m_guid, pGuid, sizeof(m_guid));
 164
 165     m_rootPath = lpszPath;
 166     if (!m_rootPath)
 167         return E_OUTOFMEMORY;
 168
 169     m_pidlRoot.Attach(ILClone(pidlRoot));
 170     if (!m_pidlRoot)
 171         return E_OUTOFMEMORY;
 172
 173     return S_OK;
 174 }
 175
 176 HRESULT CRegFolder::GetGuidItemAttributes (LPCITEMIDLIST pidl, LPDWORD pdwAttributes)
 177 {
 178     /* First try to get them from the registry */
 179     if (HCR_GetFolderAttributes(pidl, pdwAttributes) && *pdwAttributes)
 180     {
 181         return S_OK;
 182     }
 183
 184     *pdwAttributes &= SFGAO_CANLINK;
 185     return S_OK;
 186 }
 187
 188 HRESULT WINAPI CRegFolder::ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName,
 189         ULONG *pchEaten, PIDLIST_RELATIVE *ppidl, ULONG *pdwAttributes)
 190 {
 191     LPITEMIDLIST pidl;
 192
 193     if (!lpszDisplayName || !ppidl)
 194         return E_INVALIDARG;
 195
 196     *ppidl = 0;
 197
 198     if (pchEaten)
 199         *pchEaten = 0;
 200
 201     UINT cch = wcslen(lpszDisplayName);
 202     if (cch < 39 || lpszDisplayName[0] != L':' || lpszDisplayName[1] != L':')
 203         return E_FAIL;
 204
 205     pidl = _ILCreateGuidFromStrW(lpszDisplayName + 2);
 206     if (pidl == NULL)
 207         return E_FAIL;
 208
 209     if (cch < 41)
 210     {
 211         *ppidl = pidl;
 212         if (pdwAttributes && *pdwAttributes)
 213         {
 214             GetGuidItemAttributes(*ppidl, pdwAttributes);
 215         }
 216     }
 217     else
 218     {
 219         HRESULT hr = SHELL32_ParseNextElement(this, hwndOwner, pbc, &pidl, lpszDisplayName + 41, pchEaten, pdwAttributes);
 220         if (SUCCEEDED(hr))
 221         {
 222             *ppidl = pidl;
 223         }
 224         return hr;
 225     }
 226
 227     return S_OK;
 228 }
 229
 230 HRESULT WINAPI CRegFolder::EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList)
 231 {
 232     return E_NOTIMPL;
 233 }
 234
 235 HRESULT WINAPI CRegFolder::BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 236 {
 237     CComPtr<IPersistFolder> pFolder;
 238     HRESULT hr;
 239
 240     if (!ppvOut || !pidl || !pidl->mkid.cb)
 241         return E_INVALIDARG;
 242
 243     *ppvOut = NULL;
 244
 245     GUID *pGUID = _ILGetGUIDPointer(pidl);
 246     if (!pGUID)
 247     {
 248         ERR("CRegFolder::BindToObject called for non guid item!\n");
 249         return E_INVALIDARG;
 250     }
 251
 252     LPITEMIDLIST pidlChild = ILCloneFirst (pidl);
 253     if (!pidlChild)
 254         return E_OUTOFMEMORY;
 255
 256     CComPtr<IShellFolder> psf;
 257     hr = SHELL32_CoCreateInitSF(m_pidlRoot, NULL, pidlChild, pGUID, -1, IID_PPV_ARG(IShellFolder, &psf));
 258     ILFree(pidlChild);
 259     if (FAILED(hr))
 260         return hr;
 261
 262     if (_ILIsPidlSimple (pidl))
 263     {
 264         return psf->QueryInterface(riid, ppvOut);
 265     }
 266     else
 267     {
 268         return psf->BindToObject(ILGetNext (pidl), pbcReserved, riid, ppvOut);
 269     }
 270 }
 271
 272 HRESULT WINAPI CRegFolder::BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 273 {
 274     return E_NOTIMPL;
 275 }
 276
 277 HRESULT WINAPI CRegFolder::CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
 278 {
 279     if (!pidl1 || !pidl2 || pidl1->mkid.cb == 0 || pidl2->mkid.cb == 0)
 280     {
 281         ERR("Got an empty pidl!\n");
 282         return E_INVALIDARG;
 283     }
 284
 285     GUID const *clsid1 = _ILGetGUIDPointer (pidl1);
 286     GUID const *clsid2 = _ILGetGUIDPointer (pidl2);
 287
 288     if (!clsid1 && !clsid2)
 289     {
 290         ERR("Got no guid pidl!\n");
 291         return E_INVALIDARG;
 292     }
 293     else if (clsid1 && clsid2)
 294     {
 295         if (memcmp(clsid1, clsid2, sizeof(GUID)) == 0)
 296             return SHELL32_CompareChildren(this, lParam, pidl1, pidl2);
 297
 298         return SHELL32_CompareDetails(this, lParam, pidl1, pidl2);
 299     }
 300
 301     /* Guid folders come first compared to everything else */
 302     return MAKE_COMPARE_HRESULT(clsid1 ? -1 : 1);
 303 }
 304
 305 HRESULT WINAPI CRegFolder::CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
 306 {
 307     return E_NOTIMPL;
 308 }
 309
 310 HRESULT WINAPI CRegFolder::GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut)
 311 {
 312     if (!rgfInOut || !cidl || !apidl)
 313         return E_INVALIDARG;
 314
 315     if (*rgfInOut == 0)
 316         *rgfInOut = ~0;
 317
 318     while(cidl > 0 && *apidl)
 319     {
 320         if (_ILIsSpecialFolder(*apidl))
 321             GetGuidItemAttributes(*apidl, rgfInOut);
 322         else
 323             ERR("Got an unkown pidl here!\n");
 324         apidl++;
 325         cidl--;
 326     }
 327
 328     /* make sure SFGAO_VALIDATE is cleared, some apps depend on that */
 329     *rgfInOut &= ~SFGAO_VALIDATE;
 330
 331     return S_OK;
 332 }
 333
 334 HRESULT WINAPI CRegFolder::GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl,
 335         REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 336 {
 337     LPVOID pObj = NULL;
 338     HRESULT hr = E_INVALIDARG;
 339
 340     if (!ppvOut)
 341         return hr;
 342
 343     *ppvOut = NULL;
 344
 345     if ((IsEqualIID (riid, IID_IExtractIconA) || IsEqualIID (riid, IID_IExtractIconW)) && (cidl == 1))
 346     {
 347         hr = CGuidItemExtractIcon_CreateInstance(apidl[0], riid, &pObj);
 348     }
 349     else
 350         hr = E_NOINTERFACE;
 351
 352     *ppvOut = pObj;
 353     return hr;
 354
 355 }
 356
 357 HRESULT WINAPI CRegFolder::GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet)
 358 {
 359     if (!strRet || !_ILIsSpecialFolder(pidl))
 360         return E_INVALIDARG;
 361
 362     if (!pidl->mkid.cb)
 363     {
 364         LPWSTR pszPath = (LPWSTR)CoTaskMemAlloc((MAX_PATH + 1) * sizeof(WCHAR));
 365         if (!pszPath)
 366             return E_OUTOFMEMORY;
 367
 368         /* parsing name like ::{...} */
 369         pszPath[0] = ':';
 370         pszPath[1] = ':';
 371         SHELL32_GUIDToStringW(m_guid, &pszPath[2]);
 372
 373         strRet->uType = STRRET_WSTR;
 374         strRet->pOleStr = pszPath;
 375
 376         return S_OK;
 377     }
 378
 379     HRESULT hr;
 380     GUID const *clsid = _ILGetGUIDPointer (pidl);
 381
 382     /* First of all check if we need to query the name from the child item */
 383     if (GET_SHGDN_FOR (dwFlags) == SHGDN_FORPARSING &&
 384         GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL)
 385     {
 386         int bWantsForParsing = FALSE;
 387
 388         /*
 389             * We can only get a filesystem path from a shellfolder if the
 390             *  value WantsFORPARSING in CLSID\\{...}\\shellfolder exists.
 391             *
 392             * Exception: The MyComputer folder doesn't have this key,
 393             *   but any other filesystem backed folder it needs it.
 394             */
 395         if (IsEqualIID (*clsid, CLSID_MyComputer))
 396         {
 397             bWantsForParsing = TRUE;
 398         }
 399         else
 400         {
 401             HKEY hkeyClass;
 402             if (HCR_RegOpenClassIDKey(*clsid, &hkeyClass))
 403             {
 404                 LONG res = SHGetValueW(hkeyClass, L"Shellfolder", L"WantsForParsing", NULL, NULL, NULL);
 405                 bWantsForParsing = (res == ERROR_SUCCESS);
 406                 RegCloseKey(hkeyClass);
 407             }
 408         }
 409
 410         if (bWantsForParsing)
 411         {
 412             /*
 413              * we need the filesystem path to the destination folder.
 414              * Only the folder itself can know it
 415              */
 416             return SHELL32_GetDisplayNameOfChild (this, pidl, dwFlags, strRet);
 417         }
 418     }
 419
 420     /* Allocate the buffer for the result */
 421     LPWSTR pszPath = (LPWSTR)CoTaskMemAlloc((MAX_PATH + 1) * sizeof(WCHAR));
 422     if (!pszPath)
 423         return E_OUTOFMEMORY;
 424
 425     hr = S_OK;
 426
 427     if (GET_SHGDN_FOR (dwFlags) == SHGDN_FORPARSING)
 428     {
 429         wcscpy(pszPath, m_rootPath);
 430         PWCHAR pItemName = &pszPath[wcslen(pszPath)];
 431
 432         /* parsing name like ::{...} */
 433         pItemName[0] = ':';
 434         pItemName[1] = ':';
 435         SHELL32_GUIDToStringW (*clsid, &pItemName[2]);
 436     }
 437     else
 438     {
 439         /* user friendly name */
 440         if (!HCR_GetClassNameW (*clsid, pszPath, MAX_PATH))
 441             hr = E_FAIL;
 442     }
 443
 444     if (SUCCEEDED(hr))
 445     {
 446         strRet->uType = STRRET_WSTR;
 447         strRet->pOleStr = pszPath;
 448     }
 449     else
 450     {
 451         CoTaskMemFree(pszPath);
 452     }
 453
 454     return hr;
 455 }
 456
 457 HRESULT WINAPI CRegFolder::SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl,    /* simple pidl */
 458         LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut)
 459 {
 460     GUID const *clsid = _ILGetGUIDPointer (pidl);
 461     LPOLESTR pStr;
 462     HRESULT hr;
 463     WCHAR szName[100];
 464
 465     if (!clsid)
 466     {
 467         ERR("Pidl is not reg item!\n");
 468         return E_FAIL;
 469     }
 470
 471     hr = StringFromCLSID(*clsid, &pStr);
 472     if (FAILED_UNEXPECTEDLY(hr))
 473         return hr;
 474
 475     swprintf(szName, L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\CLSID\\%s", pStr);
 476
 477     DWORD cbData = (wcslen(lpName) + 1) * sizeof(WCHAR);
 478     LONG res = SHSetValueW(HKEY_CURRENT_USER, szName, NULL, RRF_RT_REG_SZ, lpName, cbData);
 479
 480     CoTaskMemFree(pStr);
 481
 482     if (res == ERROR_SUCCESS)
 483     {
 484         *pPidlOut = ILClone(pidl);
 485         return S_OK;
 486     }
 487
 488     return E_FAIL;
 489 }
 490
 491
 492 HRESULT WINAPI CRegFolder::GetDefaultSearchGUID(GUID *pguid)
 493 {
 494     return E_NOTIMPL;
 495 }
 496
 497 HRESULT WINAPI CRegFolder::EnumSearches(IEnumExtraSearch ** ppenum)
 498 {
 499     return E_NOTIMPL;
 500 }
 501
 502 HRESULT WINAPI CRegFolder::GetDefaultColumn(DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
 503 {
 504     if (pSort)
 505         *pSort = 0;
 506     if (pDisplay)
 507         *pDisplay = 0;
 508
 509     return S_OK;
 510 }
 511
 512 HRESULT WINAPI CRegFolder::GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags)
 513 {
 514     if (iColumn >= 2)
 515         return E_INVALIDARG;
 516     *pcsFlags = SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT;
 517     return S_OK;
 518 }
 519
 520 HRESULT WINAPI CRegFolder::GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 521 {
 522     return E_NOTIMPL;
 523 }
 524
 525 HRESULT WINAPI CRegFolder::GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd)
 526 {
 527     if (!psd || iColumn >= 2)
 528         return E_INVALIDARG;
 529
 530     GUID const *clsid = _ILGetGUIDPointer (pidl);
 531
 532     if (!clsid)
 533     {
 534         ERR("Pidl is not reg item!\n");
 535         return E_INVALIDARG;
 536     }
 537
 538     switch(iColumn)
 539     {
 540         case 0:        /* name */
 541             return GetDisplayNameOf(pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 542         case 1:        /* comment */
 543             HKEY hKey;
 544             if (HCR_RegOpenClassIDKey(*clsid, &hKey))
 545             {
 546                 psd->str.cStr[0] = 0x00;
 547                 psd->str.uType = STRRET_CSTR;
 548                 RegLoadMUIStringA(hKey, "InfoTip", psd->str.cStr, MAX_PATH, NULL, 0, NULL);
 549                 RegCloseKey(hKey);
 550                 return S_OK;
 551             }
 552     }
 553     return E_FAIL;
 554 }
 555
 556 HRESULT WINAPI CRegFolder::MapColumnToSCID(UINT column, SHCOLUMNID *pscid)
 557 {
 558     return E_NOTIMPL;
 559 }
 560
 561 /* In latest windows version this is exported but it takes different arguments! */
 562 HRESULT CRegFolder_CreateInstance(const GUID *pGuid, LPCITEMIDLIST pidlRoot, LPCWSTR lpszPath, REFIID riid, void **ppv)
 563 {
 564     return ShellObjectCreatorInit<CRegFolder>(pGuid, pidlRoot, lpszPath, riid, ppv);
 565 }