XYplorer Beta Club

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C:\Windows\explorer.exe /factory,{ceff45ee-c862-41de-aee2-a022c81eda92} -Embedding

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  typedef HRESULT (WINAPI *SHOpenFolderAndSelectItemsFuncPtr)(
      PCIDLIST_ABSOLUTE pidl_Folder,
      UINT cidl,
      PCUITEMID_CHILD_ARRAY pidls,
      DWORD flags);

  static SHOpenFolderAndSelectItemsFuncPtr open_folder_and_select_itemsPtr =
    NULL;
  static bool initialize_open_folder_proc = true;
  if (initialize_open_folder_proc) {
    initialize_open_folder_proc = false;
    // The SHOpenFolderAndSelectItems API is exposed by shell32 version 6
    // and does not exist in Win2K. We attempt to retrieve this function export
    // from shell32 and if it does not exist, we just invoke ShellExecute to
    // open the folder thus losing the functionality to select the item in
    // the process.
    HMODULE shell32_base = GetModuleHandle(L"shell32.dll");
    if (!shell32_base) {
      NOTREACHED() << " " << __FUNCTION__ << "(): Can't open shell32.dll";
      return;
    }
    open_folder_and_select_itemsPtr =
        reinterpret_cast<SHOpenFolderAndSelectItemsFuncPtr>
            (GetProcAddress(shell32_base, "SHOpenFolderAndSelectItems"));
  }
  if (!open_folder_and_select_itemsPtr) {
    ShellExecute(NULL, L"open", dir.value().c_str(), NULL, NULL, SW_SHOW);
    return;
  }

  base::win::ScopedComPtr<IShellFolder> desktop;
  HRESULT hr = SHGetDesktopFolder(desktop.Receive());
  if (FAILED(hr))
    return;

[SNIP]

  hr = (*open_folder_and_select_itemsPtr)(dir_item, arraysize(highlight),
                                          highlight, NULL);

  if (FAILED(hr)) {
    // On some systems, the above call mysteriously fails with "file not
    // found" even though the file is there.  In these cases, ShellExecute()
    // seems to work as a fallback (although it won't select the file).
    if (hr == ERROR_FILE_NOT_FOUND) {
      ShellExecute(NULL, L"open", dir.value().c_str(), NULL, NULL, SW_SHOW);
    } else {
      LPTSTR message = NULL;
      DWORD message_length = FormatMessage(
          FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
          0, hr, 0, reinterpret_cast<LPTSTR>(&message), 0, NULL);
      LOG(WARNING) << " " << __FUNCTION__
                   << "(): Can't open full_path = \""
                   << full_path.value() << "\""
                   << " hr = " << hr
                   << " " << reinterpret_cast<LPTSTR>(&message);
      if (message)
        LocalFree(message);
    }
  }