public void SetFile(string file)
 {
     _currentFile = file;
     if (_storage.ContainsKey(file))
     {
         _currentFileSettings = _storage[file];
     }
     else
     {
         _currentFileSettings = null;
     }
 }
 public void ResetMarks()
 {
     _currentFileSettings   = null;
     _storage[_currentFile] = null;
 }