BetterExplorer.MainWindow.SetUpButtonsStateOnSelectOrNavigate C# (CSharp) 메소드

    private void SetUpButtonsStateOnSelectOrNavigate(int selectedItemsCount, IListItemEx selectedItem) {
      btnBadges.IsEnabled = selectedItemsCount > 0;
      btnCopy.IsEnabled = selectedItemsCount > 0;
      btnCopyto.IsEnabled = selectedItemsCount > 0;
      btnMoveto.IsEnabled = selectedItemsCount > 0;
      btnCut.IsEnabled = selectedItemsCount > 0;
      btnDelete.IsEnabled = selectedItem != null && selectedItem.IsFileSystem;
      btnRename.IsEnabled = selectedItem != null && (selectedItem.IsFileSystem || (selectedItem.Parent != null && selectedItem.Parent.Equals(KnownFolders.Libraries)));
      btnProperties3.IsEnabled = selectedItemsCount > 0;
      if (selectedItem != null) {
        var rg = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\" + Path.GetExtension(selectedItem.ParsingName) + @"\OpenWithProgids");
        if (rg == null)
          btnEdit.IsEnabled = false;
        else {
          string filetype = rg.GetValueNames()[0];
          rg.Close();

          using (var rgtype = Registry.ClassesRoot.OpenSubKey(filetype + @"\shell\edit\command")) {
            btnEdit.IsEnabled = !(rgtype == null);
          }
        }
      }

      btnSelAll.IsEnabled = selectedItemsCount != _ShellListView.Items.Count;
      btnSelNone.IsEnabled = selectedItemsCount > 0;
      btnShare.IsEnabled = selectedItemsCount == 1 && selectedItem.IsFolder;
      btnAdvancedSecurity.IsEnabled = selectedItemsCount == 1;
      btnHideSelItems.IsEnabled = _ShellListView.CurrentFolder.IsFileSystem;
    }