//点击添加按钮

        private void button1_Click(object sender, EventArgs e)
        {

            tabControl1.TabPages.Add("新建页面");
        }




        //点击删除按钮
        private void button2_Click(object sender, EventArgs e)
        {
            //获取选中选项卡的索引
            int x = tabControl1.SelectedIndex;
            tabControl1.TabPages.RemoveAt(x);

        }