public void VeThucAn(bool xoa)
 {
     //Random rdm = new Random();
     //int x = rdm.Next(X);
     //int y = rdm.Next(Y);
     VeHinh veThucAn = new VeHinh(g, X, Y, TyLe, xoa);
 }
        public void VeRan(bool xoa)
        {
            //ve dau
            VeHinh vedau = new VeHinh(this.g, this.xDau, this.yDau, this.tyle, this.mauDau, this.mauDau, this.mauPanel, xoa);

            //ve than
            foreach (Point dotsong in xuongsong)
            {
                VeHinh vedotsong = new VeHinh(this.g, dotsong.X, dotsong.Y, this.tyle, this.mauVien, this.mauNen, this.mauPanel, xoa);
            }
        }