//рисование ограниченного пространства для перемещения точки public void DrawRegion(int x1, int y1, int x2, int y2) { this.reg_x1 = x1; this.reg_x2 = x2; this.reg_y1 = y1; this.reg_y2 = y2; HLine h_line1 = new HLine(x1, x2, y1, '+'); h_line1.Draw(); HLine h_line2 = new HLine(x1, x2, y2, '+'); h_line2.Draw(); VLine v_line1 = new VLine(x1, y1, y2, '+'); v_line1.Draw(); VLine v_line2 = new VLine(x2, y1, y2, '+'); v_line2.Draw(); }