public FileRemover(IFolderNavigator navigator, IDirectory directory)
 {
     _directoryViewer = new DirectoryViewer(navigator);
     _directory = directory;
 }
 public DirectoryViewer(IFolderNavigator folderNavigator)
 {
     _navigator = folderNavigator;
     _navigator.FileVisited += NavigatorFileVisited;
     _navigator.FolderVisited += NavigatorFolderVisited;
 }