C# 页面的切换该怎么做?

类似网页同一排按钮,按下后这个条条会切换,然后一个局部的页面的也会切换,
怎么实现这样的效果呀

img

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img

。。。。。
分区域用panel
左边一个,右边一个
左边Button鼠标单击触发在右边panel中打开窗体的事件
在panel中打开新窗体函数:

        private Form active_form = null;

        private void In_Panel_Open_Form(Form panel_form_name)
        {
            if (active_form != null)
            {
                active_form.Close();
            }
            active_form = panel_form_name;

            panel_form_name.TopLevel = false;
            panel_form_name.FormBorderStyle = FormBorderStyle.None;
            panel_form_name.Dock = DockStyle.Fill;
            panel_show_information.Controls.Add(panel_form_name);
            panel_show_information.Tag = panel_form_name;
            panel_form_name.Show();
        }