/// <summary>
 /// Отображает поле на графической поверхности.
 /// </summary>
 public void ShowField()
 {
     for (int row = 0; row < _field.Height; row++)
     {
         for (int col = 0; col < _field.Width; col++)
         {
             ShowCell(_field.CellAt(row, col), row, col);
         }
     }
     if (SelectorVisible)
     {
         _controlViewAdapter.DrawSelector(SelectorRow, SelectorCol);
     }
 }