tablecontrol 隐藏部分tabpage，按键后显示 #winform

HideTablePages.cs

       TabPage[] tp=new TabPage[4];
       private void Form1_Load(object sender, EventArgs e)
        {
            for (int i = 1; i < tabControl1.TabPages.Count; i++)
            {
                tp[i] = tabControl1.TabPages[i];
            }
            for (int i = 1; i < tp.Length; i++)
            {
                tabControl1.TabPages.Remove(tp[i]);
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (tabControl1.TabPages.Count==1)
            for (int i = 1; i < tp.Length; i++)
            {
                tabControl1.TabPages.Add(tp[i]);   
            }
        }