Exemplo n.º 1
1
bool CDeskBand::FindPaths()
{
    m_currentDirectory.clear();
    m_selectedItems.clear();
    m_bFilesSelected = false;
    m_bFolderSelected = false;

    if (m_pSite == NULL)
        return false;
    IServiceProvider * pServiceProvider;
    if (SUCCEEDED(m_pSite->QueryInterface(IID_IServiceProvider, (LPVOID*)&pServiceProvider)))
    {
        IShellBrowser * pShellBrowser;
        if (SUCCEEDED(pServiceProvider->QueryService(SID_SShellBrowser, IID_IShellBrowser, (LPVOID*)&pShellBrowser)))
        {
            IShellView * pShellView;
            if (SUCCEEDED(pShellBrowser->QueryActiveShellView(&pShellView)))
            {
                IFolderView * pFolderView;
                if (SUCCEEDED(pShellView->QueryInterface(IID_IFolderView, (LPVOID*)&pFolderView)))
                {
                    // hooray! we got the IFolderView interface!
                    // that means the explorer is active and well :)

                    // but we also need the IShellFolder interface because
                    // we need its GetCurFolder() method
                    IPersistFolder2 * pPersistFolder;
                    if (SUCCEEDED(pFolderView->GetFolder(IID_IPersistFolder2, (LPVOID*)&pPersistFolder)))
                    {
                        LPITEMIDLIST folderpidl;
                        if (SUCCEEDED(pPersistFolder->GetCurFolder(&folderpidl)))
                        {
                            // we have the current folder
                            TCHAR buf[MAX_PATH] = {0};
                            // find the path of the folder
                            if (SHGetPathFromIDList(folderpidl, buf))
                            {
                                m_currentDirectory = buf;
                            }
                            // if m_currentDirectory is empty here, that means
                            // the current directory is a virtual path

                            IShellFolder * pShellFolder;
                            if (SUCCEEDED(pPersistFolder->QueryInterface(IID_IShellFolder, (LPVOID*)&pShellFolder)))
                            {
                                // if there was a new folder created but not found to set into editing mode,
                                // we try here to do that
                                if (!m_newfolderPidls.empty())
                                {
                                    int nCount2 = 0;
                                    IShellFolder * pShellFolder;
                                    if (SUCCEEDED(pPersistFolder->QueryInterface(IID_IShellFolder, (LPVOID*)&pShellFolder)))
                                    {
                                        if (SUCCEEDED(pFolderView->ItemCount(SVGIO_ALLVIEW, &nCount2)))
                                        {
                                            for (int i=0; i<nCount2; ++i)
                                            {
                                                LPITEMIDLIST pidl;
                                                pFolderView->Item(i, &pidl);
                                                bool bFound = false;
                                                for (std::vector<LPITEMIDLIST>::iterator it = m_newfolderPidls.begin(); it != m_newfolderPidls.end(); ++it)
                                                {
                                                    HRESULT hr = pShellFolder->CompareIDs(0, pidl, *it);
                                                    if (HRESULT_CODE(hr) == 0)
                                                    {
                                                        // this item was there before, so it's not the new folder
                                                        CoTaskMemFree(*it);
                                                        m_newfolderPidls.erase(it);
                                                        bFound = true;
                                                        break;
                                                    }
                                                }
                                                if (!bFound)
                                                {
                                                    pShellView->SelectItem(pidl, SVSI_EDIT);
                                                }
                                                CoTaskMemFree(pidl);
                                            }
                                        }
                                        if ((nCount2)||(m_newfolderTimeoutCounter-- <= 0))
                                        {
                                            m_newfolderTimeoutCounter = 0;
                                            for (std::vector<LPITEMIDLIST>::iterator it = m_newfolderPidls.begin(); it != m_newfolderPidls.end(); ++it)
                                            {
                                                CoTaskMemFree(*it);
                                            }
                                            m_newfolderPidls.clear();
                                        }
                                        pShellFolder->Release();
                                    }

                                }
                                // find all selected items
                                IEnumIDList * pEnum;
                                if (SUCCEEDED(pFolderView->Items(SVGIO_SELECTION, IID_IEnumIDList, (LPVOID*)&pEnum)))
                                {
                                    LPITEMIDLIST pidl;
                                    WCHAR buf[MAX_PATH] = {0};
                                    ULONG fetched = 0;
                                    ULONG attribs = 0;
                                    do
                                    {
                                        pidl = NULL;
                                        if (SUCCEEDED(pEnum->Next(1, &pidl, &fetched)))
                                        {
                                            if (fetched)
                                            {
                                                // the pidl we get here is relative!
                                                attribs = SFGAO_FILESYSTEM|SFGAO_FOLDER;
                                                if (SUCCEEDED(pShellFolder->GetAttributesOf(1, (LPCITEMIDLIST*)&pidl, &attribs)))
                                                {
                                                    if (attribs & SFGAO_FILESYSTEM)
                                                    {
                                                        // create an absolute pidl with the pidl we got above
                                                        LPITEMIDLIST abspidl = CPidl::Append(folderpidl, pidl);
                                                        if (abspidl)
                                                        {
                                                            if (SHGetPathFromIDList(abspidl, buf))
                                                            {
                                                                m_selectedItems[std::wstring(buf)] = attribs;
                                                                if (m_currentDirectory.empty())
                                                                {
                                                                    // remove the last part of the path of the selected item
                                                                    WCHAR * pSlash = _tcsrchr(buf, '\\');
                                                                    if (pSlash)
                                                                        *pSlash = 0;
                                                                    m_currentDirectory = std::wstring(buf);
                                                                }
                                                            }
                                                            CoTaskMemFree(abspidl);
                                                        }
                                                        if (attribs & SFGAO_FOLDER)
                                                            m_bFolderSelected = true;
                                                        else
                                                            m_bFilesSelected = true;
                                                    }
                                                }
                                            }
                                            CoTaskMemFree(pidl);
                                        }
                                    } while(fetched);
                                    pEnum->Release();
                                }
                                pShellFolder->Release();
                            }
                            CoTaskMemFree(folderpidl);
                        }
                        pPersistFolder->Release();
                    }
                    pFolderView->Release();
                }
                pShellView->Release();
            }
            pShellBrowser->Release();
        }
        pServiceProvider->Release();
    }
    return ((!m_currentDirectory.empty()) || (!m_selectedItems.empty()));
}
Exemplo n.º 2
0
void FileDialog::FilterFiles(HWND hDlg, bool refresh)
{
   HWND parent = ::GetParent(hDlg);
   IShellFolder *ishell = NULL;
   IShellBrowser *ishellbrowser = NULL;  // Does not have to be released
   IShellView *ishellview = NULL;
   IFolderView *ifolderview = NULL;
   LPMALLOC imalloc = NULL;
   HRESULT hr;
   
   // Get pointer to the ListView control
   HWND lv = ::GetDlgItem(::GetDlgItem(parent, lst2), 1);
   if (lv == NULL)
   {
      wxASSERT(lv != NULL);
      return;
   }
   
   // Get shell's memory allocation interface (must be Release()'d)
   hr = SHGetMalloc(&imalloc);
   if ((hr != NOERROR) || (imalloc == NULL))
   {
      wxASSERT((hr == NOERROR) && (imalloc != NULL));
      return;
   }

   // Get IShellBrowser interface for current dialog
   ishellbrowser = (IShellBrowser*)::SendMessage(parent, WM_GETISHELLBROWSER, 0, 0);
   if (ishellbrowser)
   {
      // Get IShellBrowser interface for returned browser
      if (ishellbrowser->QueryActiveShellView(&ishellview) == S_OK)
      {
         // Get the IFolderView interface...available on XP or greater
         ishellview->QueryInterface(IID_IFolderView, (void **)&ifolderview);
      }
   }

   // Init
   LVITEM lvi;
   wxZeroMemory(lvi);

   // Process all items
   int fltcnt = (int) m_Filters.GetCount();
   int itmcnt = ::SendMessage(lv, LVM_GETITEMCOUNT, 0, 0);
   for (int itm = 0; itm < itmcnt; itm++)
   {
      // Retrieve the file IDL
      lvi.iItem = itm;
      lvi.mask = LVIF_PARAM;
      if (ListView_GetItem(lv, &lvi) != TRUE)
      {
         wxASSERT(FALSE);
         break;
      }

      LPCITEMIDLIST fidl = (LPCITEMIDLIST) lvi.lParam;

      // On Vista, lParam no longer contains the pidl so retrieve it via the
      // IFolderView interface.  This interface is only available on XP or higher
      // so if that limitation isn't workable, use IShellView::GetItemObject() to
      // retrieve items.
      if (fidl == NULL && ifolderview != NULL)
      {
         ifolderview->Item(itm, (LPITEMIDLIST *) &fidl);
      }

      if (fidl == NULL)
      {
         wxASSERT(fidl != NULL);
         break;
      }

      // Retrieve the IShellFolder interface of the parent (must be Release()'d)
      if (ishell == NULL)
      {
         hr = SHBindToParentLocal(fidl, IID_IShellFolder, (void **)&ishell, NULL);
         if (!SUCCEEDED(hr))
         {
            wxASSERT(SUCCEEDED(hr));
            break;
         }
      }
      
      // Get the attributes of the object
      DWORD attr = SFGAO_FOLDER | SFGAO_BROWSABLE;
      hr = ishell->GetAttributesOf(1, &fidl, &attr);
      if (!SUCCEEDED(hr))
      {
         wxASSERT(SUCCEEDED(hr));
         break;
      }
      
      // Allow all folders (things like zip files get filtered below)
      if ((attr & (SFGAO_FOLDER)) && !(attr & SFGAO_BROWSABLE))
      {
         continue;
      }
      
      // Retrieve the parsable name of the object (includes extension)
      STRRET str;
      hr = ishell->GetDisplayNameOf(fidl, SHGDN_INFOLDER | SHGDN_FORPARSING, &str);
      if (hr != NOERROR)
      {
         // For some objects, we get back an error of 80070057.  I'm assuming this
         // means there is no way to represent the name (like some sort of virtual name)
         // or I've not used the correct PIDL.  But, in either case, it "probably"
         // represents some sort of folder (at least in all cases I've seen), so we
         // simply allow it to display.
         continue;
      }
      
      // Convert result to wxString
      wxString filename;
      switch (str.uType)
      {
         case STRRET_WSTR:
            filename = str.pOleStr;
            imalloc->Free(str.pOleStr);
            break;
            
         case STRRET_OFFSET:
            filename = wxString(((char *)fidl) + str.uOffset, wxConvISO8859_1);
            break;
            
         case STRRET_CSTR:
            filename = wxString(str.cStr, wxConvISO8859_1);
            break;
      }
      
      // Convert the filename to lowercase (and remember to write filters in lowercase!)
      filename = filename.Lower();

      // Attempt to match it to all of our filters
      bool match = false;
      for (int flt = 0; flt < fltcnt; flt++)
      {
         if (wxMatchWild(m_Filters[flt], filename, false))
         {
            match = true;
            break;
         }
      }
      
      // Remove it from the display if it didn't match any of the filters.
      if (!match)
      {
         ListView_DeleteItem(lv, itm);
         itm--;
         itmcnt--;
      }
   }

   // On Vista and maybe XP, we seem to need to refresh the view after
   // changing the filters.  But, only refresh for type changes and not
   // selection changes since it causes additional selection change
   // events to occur.
   if (ishellview && refresh)
   {
      ishellview->Refresh();
   }

   // Release the interface
   if (ifolderview)
   {
      ifolderview->Release();
   }

   // Release the interface
   if (ishellview)
   {
      ishellview->Release();
   }

   // Release the interface
   if (ishell)
   {
      ishell->Release();
   }
   
   // Release the interface
   if (imalloc)
   {
      imalloc->Release();
   }
}
Exemplo n.º 3
0
void CDeskBand::Rename(HWND hwnd, const std::map<std::wstring, ULONG>& items)
{
    // fill the list of selected file/foldernames
    m_filelist.clear();
    if (items.size() > 1)
    {
        for (std::map<std::wstring, ULONG>::const_iterator it = items.begin(); it != items.end(); ++it)
        {
            size_t pos = it->first.find_last_of('\\');
            if (pos != std::wstring::npos)
            {
                m_filelist.insert(it->first.substr(pos+1));
            }
        }
    }
    else if (items.size() == 1)
    {
        for (std::map<std::wstring, ULONG>::const_iterator it = items.begin(); it != items.end(); ++it)
        {
            size_t pos = it->first.find_last_of('\\');
            if (pos != std::wstring::npos)
            {
                m_filelist.insert(it->first.substr(pos+1));
            }
        }
    }
    else
    {
        // no files or only one file were selected.
        // use all files and folders in the current folder instead
        IServiceProvider * pServiceProvider = NULL;
        if (SUCCEEDED(GetIServiceProvider(hwnd, &pServiceProvider)))
        {
            IShellBrowser * pShellBrowser;
            if (SUCCEEDED(pServiceProvider->QueryService(SID_SShellBrowser, IID_IShellBrowser, (LPVOID*)&pShellBrowser)))
            {
                IShellView * pShellView;
                if (SUCCEEDED(pShellBrowser->QueryActiveShellView(&pShellView)))
                {
                    IFolderView * pFolderView;
                    if (SUCCEEDED(pShellView->QueryInterface(IID_IFolderView, (LPVOID*)&pFolderView)))
                    {
                        // hooray! we got the IFolderView interface!
                        // that means the explorer is active and well :)

                        // but we also need the IShellFolder interface because
                        // we need its GetCurFolder() method
                        IPersistFolder2 * pPersistFolder;
                        if (SUCCEEDED(pFolderView->GetFolder(IID_IPersistFolder2, (LPVOID*)&pPersistFolder)))
                        {
                            LPITEMIDLIST folderpidl;
                            if (SUCCEEDED(pPersistFolder->GetCurFolder(&folderpidl)))
                            {
                                // we have the current folder
                                TCHAR buf[MAX_PATH] = {0};
                                // find the path of the folder
                                if (SHGetPathFromIDList(folderpidl, buf))
                                {
                                    m_currentDirectory = buf;
                                }
                                // if m_currentDirectory is empty here, that means
                                // the current directory is a virtual path

                                IShellFolder * pShellFolder;
                                if (SUCCEEDED(pPersistFolder->QueryInterface(IID_IShellFolder, (LPVOID*)&pShellFolder)))
                                {
                                    // find all selected items
                                    IEnumIDList * pEnum;
                                    if (SUCCEEDED(pFolderView->Items(SVGIO_ALLVIEW, IID_IEnumIDList, (LPVOID*)&pEnum)))
                                    {
                                        LPITEMIDLIST pidl;
                                        WCHAR buf[MAX_PATH] = {0};
                                        ULONG fetched = 0;
                                        ULONG attribs = 0;
                                        do
                                        {
                                            pidl = NULL;
                                            if (SUCCEEDED(pEnum->Next(1, &pidl, &fetched)))
                                            {
                                                if (fetched)
                                                {
                                                    // the pidl we get here is relative!
                                                    attribs = SFGAO_FILESYSTEM|SFGAO_FOLDER;
                                                    if (SUCCEEDED(pShellFolder->GetAttributesOf(1, (LPCITEMIDLIST*)&pidl, &attribs)))
                                                    {
                                                        if (attribs & SFGAO_FILESYSTEM)
                                                        {
                                                            // create an absolute pidl with the pidl we got above
                                                            LPITEMIDLIST abspidl = CPidl::Append(folderpidl, pidl);
                                                            if (abspidl)
                                                            {
                                                                if (SHGetPathFromIDList(abspidl, buf))
                                                                {
                                                                    std::wstring p = buf;
                                                                    size_t pos = p.find_last_of('\\');
                                                                    if (pos != std::wstring::npos)
                                                                    {
                                                                        m_filelist.insert(p.substr(pos+1));
                                                                    }
                                                                }
                                                                CoTaskMemFree(abspidl);
                                                            }
                                                        }
                                                    }
                                                }
                                                CoTaskMemFree(pidl);
                                            }
                                        } while(fetched);
                                        pEnum->Release();
                                    }
                                    pShellFolder->Release();
                                }
                                CoTaskMemFree(folderpidl);
                            }
                            pPersistFolder->Release();
                        }
                        pFolderView->Release();
                    }
                    pShellView->Release();
                }
                pShellBrowser->Release();
            }
            pServiceProvider->Release();
        }
    }

    // show the rename dialog
    m_bDialogShown = TRUE;
    CRenameDlg dlg(hwnd);
    dlg.SetFileList(m_filelist);
    if (dlg.DoModal(g_hInst, IDD_RENAMEDLG, hwnd, NULL) == IDOK)
    {
        try
        {
            const std::tr1::wregex regCheck(dlg.GetMatchString(), dlg.GetRegexFlags());
            NumberReplaceHandler handler(dlg.GetReplaceString());

            // start renaming the files
            IServiceProvider * pServiceProvider = NULL;
            if (SUCCEEDED(GetIServiceProvider(hwnd, &pServiceProvider)))
            {
                IShellBrowser * pShellBrowser;
                if (SUCCEEDED(pServiceProvider->QueryService(SID_SShellBrowser, IID_IShellBrowser, (LPVOID*)&pShellBrowser)))
                {
                    IShellView * pShellView;
                    if (SUCCEEDED(pShellBrowser->QueryActiveShellView(&pShellView)))
                    {
                        IFolderView * pFolderView;
                        if (SUCCEEDED(pShellView->QueryInterface(IID_IFolderView, (LPVOID*)&pFolderView)))
                        {
                            // hooray! we got the IFolderView interface!
                            // that means the explorer is active and well :)

                            // but we also need the IShellFolder interface because
                            // we need its GetDisplayNameOf() method
                            IPersistFolder2 * pPersistFolder;
                            if (SUCCEEDED(pFolderView->GetFolder(IID_IPersistFolder2, (LPVOID*)&pPersistFolder)))
                            {
                                IShellFolder * pShellFolder;
                                if (SUCCEEDED(pPersistFolder->QueryInterface(IID_IShellFolder, (LPVOID*)&pShellFolder)))
                                {
                                    // our next task is to enumerate all the
                                    // items in the folder view and select those
                                    // which match the text in the edit control

                                    int nCount = 0;
                                    if (SUCCEEDED(pFolderView->ItemCount(SVGIO_ALLVIEW, &nCount)))
                                    {
                                        for (int i=0; i<nCount; ++i)
                                        {
                                            LPITEMIDLIST pidl;
                                            if (SUCCEEDED(pFolderView->Item(i, &pidl)))
                                            {
                                                STRRET str;
                                                if (SUCCEEDED(pShellFolder->GetDisplayNameOf(pidl,
                                                    // SHGDN_FORPARSING needed to get the extensions even if they're not shown
                                                    SHGDN_INFOLDER|SHGDN_FORPARSING,
                                                    &str)))
                                                {
                                                    TCHAR dispname[MAX_PATH];
                                                    StrRetToBuf(&str, pidl, dispname, _countof(dispname));

                                                    std::wstring replaced;
                                                    try
                                                    {
                                                        std::wstring sDispName = dispname;
                                                        // check if the item is in the list of selected items
                                                        if (m_filelist.find(sDispName) != m_filelist.end())
                                                        {
                                                            replaced = std::tr1::regex_replace(sDispName, regCheck, dlg.GetReplaceString());
                                                            replaced = handler.ReplaceCounters(replaced);
                                                            if (replaced.compare(sDispName))
                                                            {
                                                                ITEMIDLIST * pidlrenamed;
                                                                pShellFolder->SetNameOf(NULL, pidl, replaced.c_str(), SHGDN_FORPARSING|SHGDN_INFOLDER, &pidlrenamed);
                                                                // if the rename was successful, select the renamed item
                                                                if (pidlrenamed)
                                                                    pFolderView->SelectItem(i, SVSI_CHECK|SVSI_SELECT);
                                                            }
                                                        }
                                                    }
                                                    catch (std::exception)
                                                    {
                                                    }
                                                }
                                                CoTaskMemFree(pidl);
                                            }
                                        }
                                    }
                                    pShellFolder->Release();
                                }
                                pPersistFolder->Release();
                            }
                            pFolderView->Release();
                        }
                        pShellView->Release();
                    }
                    pShellBrowser->Release();
                }
                pServiceProvider->Release();
            }
        }
        catch (std::exception)
        {
        }
    }
    m_bDialogShown = FALSE;
}
Exemplo n.º 4
0
bool CDeskBand::Filter(LPTSTR filter)
{
    bool bReturn = false;
    IServiceProvider * pServiceProvider;
    if (SUCCEEDED(m_pSite->QueryInterface(IID_IServiceProvider, (LPVOID*)&pServiceProvider)))
    {
        IShellBrowser * pShellBrowser;
        if (SUCCEEDED(pServiceProvider->QueryService(SID_SShellBrowser, IID_IShellBrowser, (LPVOID*)&pShellBrowser)))
        {
            IShellView * pShellView;
            if (SUCCEEDED(pShellBrowser->QueryActiveShellView(&pShellView)))
            {
                IFolderView * pFolderView;
                if (SUCCEEDED(pShellView->QueryInterface(IID_IFolderView, (LPVOID*)&pFolderView)))
                {
                    // hooray! we got the IFolderView interface!
                    // that means the explorer is active and well :)
                    IShellFolderView * pShellFolderView;
                    if (SUCCEEDED(pShellView->QueryInterface(IID_IShellFolderView, (LPVOID*)&pShellFolderView)))
                    {
                        // the first thing we do is to deselect all already selected entries
                        pFolderView->SelectItem(NULL, SVSI_DESELECTOTHERS);

                        // but we also need the IShellFolder interface because
                        // we need its GetDisplayNameOf() method
                        IPersistFolder2 * pPersistFolder;
                        if (SUCCEEDED(pFolderView->GetFolder(IID_IPersistFolder2, (LPVOID*)&pPersistFolder)))
                        {
                            LPITEMIDLIST curFolder;
                            pPersistFolder->GetCurFolder(&curFolder);
                            if (ILIsEqual(m_currentFolder, curFolder))
                            {
                                CoTaskMemFree(curFolder);
                            }
                            else
                            {
                                CoTaskMemFree(m_currentFolder);
                                m_currentFolder = curFolder;
                                for (size_t i=0; i<m_noShows.size(); ++i)
                                {
                                    CoTaskMemFree(m_noShows[i]);
                                }
                                m_noShows.clear();
                            }
                            IShellFolder * pShellFolder;
                            if (SUCCEEDED(pPersistFolder->QueryInterface(IID_IShellFolder, (LPVOID*)&pShellFolder)))
                            {
                                // our next task is to enumerate all the
                                // items in the folder view and select those
                                // which match the text in the edit control

                                bool bUseRegex = (filter[0] == '\\');

                                try
                                {
                                    const std::tr1::wregex regCheck(&filter[1], std::tr1::regex_constants::icase | std::tr1::regex_constants::ECMAScript);
                                }
                                catch (std::exception)
                                {
                                    bUseRegex = false;
                                }

                                if (!bUseRegex)
                                {
                                    // force the filter to lowercase
                                    TCHAR * pString = filter;
                                    while (*pString)
                                    {
                                        *pString = _totlower(*pString);
                                        pString++;
                                    }
                                }

                                int nCount = 0;
                                if (SUCCEEDED(pFolderView->ItemCount(SVGIO_ALLVIEW, &nCount)))
                                {
                                    pShellFolderView->SetRedraw(FALSE);
                                    HWND listView = GetListView32(pShellView);
                                    LRESULT viewType = 0;
                                    if (listView)
                                    {
                                        // inserting items in the list view if the list view is set to
                                        // e.g., LV_VIEW_LIST is painfully slow. So save the current view
                                        // and set it to LV_VIEW_DETAILS (which is much faster for inserting)
                                        // and restore the view after we're done.
                                        viewType = SendMessage(listView, LVM_GETVIEW, 0, 0);
                                        SendMessage(listView, LVM_SETVIEW, LV_VIEW_DETAILS, 0);
                                    }
                                    std::vector<LPITEMIDLIST> noShows;
                                    for (int i=0; i<nCount; ++i)
                                    {
                                        LPITEMIDLIST pidl;
                                        if (SUCCEEDED(pFolderView->Item(i, &pidl)))
                                        {
                                            if (CheckDisplayName(pShellFolder, pidl, filter, bUseRegex))
                                            {
                                                // remove now shown items which are in the no-show list
                                                // this is necessary since we don't get a notification
                                                // if the shell refreshes its view
                                                for (std::vector<LPITEMIDLIST>::iterator it = m_noShows.begin(); it != m_noShows.end(); ++it )
                                                {
                                                    if (HRESULT_CODE(pShellFolder->CompareIDs(SHCIDS_CANONICALONLY, *it, pidl))==0)
                                                    {
                                                        m_noShows.erase(it);
                                                        break;
                                                    }
                                                }
                                                CoTaskMemFree(pidl);
                                            }
                                            else
                                            {
                                                UINT puItem = 0;
                                                if (pShellFolderView->RemoveObject(pidl, &puItem) == S_OK)
                                                {
                                                    i--;
                                                    nCount--;
                                                    noShows.push_back(pidl);
                                                }
                                            }
                                        }
                                    }
                                    // now add all those items again which were removed by a previous filter string
                                    // but don't match this new one
                                    //pShellFolderView->SetObjectCount(5000, SFVSOC_INVALIDATE_ALL|SFVSOC_NOSCROLL);
                                    for (size_t i=0; i<m_noShows.size(); ++i)
                                    {
                                        LPITEMIDLIST pidlNoShow = m_noShows[i];
                                        if (CheckDisplayName(pShellFolder, pidlNoShow, filter, bUseRegex))
                                        {
                                            m_noShows.erase(m_noShows.begin() + i);
                                            i--;
                                            UINT puItem = (UINT)i;
                                            pShellFolderView->AddObject(pidlNoShow, &puItem);
                                            CoTaskMemFree(pidlNoShow);
                                        }
                                    }
                                    for (size_t i=0; i<noShows.size(); ++i)
                                    {
                                        m_noShows.push_back(noShows[i]);
                                    }
                                    if (listView)
                                    {
                                        SendMessage(listView, LVM_SETVIEW, viewType, 0);
                                    }

                                    pShellFolderView->SetRedraw(TRUE);
                                }
                                pShellFolder->Release();
                            }
                            pPersistFolder->Release();
                        }
                        pShellFolderView->Release();
                    }
                    pFolderView->Release();
                }
                pShellView->Release();
            }
            pShellBrowser->Release();
        }
        pServiceProvider->Release();
    }
    return bReturn;
}