帮忙看下怎么排列不乱            谢谢各位了
        private void button2_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            button2.Dock = DockStyle.Top;
            button1.SendToBack();
            button1.Dock = DockStyle.Top;
            button3.Dock = DockStyle.Bottom;
            button4.Dock = DockStyle.Bottom;
            button5.Dock = DockStyle.Bottom;
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("近期工作记录", "近期工作记录", 3);
            listView1.Items.Add("近期工作计划", "近期工作计划", 4);
        }               

        private void button3_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            button3.Dock = DockStyle.Top;
            button2.SendToBack();
            button2.Dock = DockStyle.Top;
            button1.Dock = DockStyle.Bottom;
            button4.Dock = DockStyle.Bottom;
            button5.Dock = DockStyle.Bottom;
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("近期工作记录", "近期工作记录", 5);
            listView1.Items.Add("近期工作计划", "近期工作计划", 6);
        }

        private void button4_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            button4.Dock = DockStyle.Top;
            button3.SendToBack();
            button3.Dock = DockStyle.Top;
            button2.Dock = DockStyle.Bottom;
            button1.Dock = DockStyle.Bottom;
            button5.Dock = DockStyle.Bottom;
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("编辑工作进度报告", "编辑工作进度报告", 7);
            listView1.Items.Add("编辑项目设计图", "编辑项目设计图", 8);
        }

        private void button5_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            button5.SendToBack();
            button5.Dock = DockStyle.Top;
            button4.SendToBack();
            button4.Dock = DockStyle.Top;
            button3.SendToBack();
            button3.Dock = DockStyle.Top;
            button2.SendToBack();
            button2.Dock = DockStyle.Top;
            button1.SendToBack();
            button1.Dock = DockStyle.Top;
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("编辑工作进度报告", "编辑工作进度报告", 9);
            listView1.Items.Add("编辑项目设计图", "编辑项目设计图", 10);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            button1.Dock = DockStyle.Top;
            button2.Dock = DockStyle.Bottom;
            button3.Dock = DockStyle.Bottom;
            button4.Dock = DockStyle.Bottom;
            button5.SendToBack();
            button5.Dock = DockStyle.Bottom;
            listView1.BringToFront();
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("设置上下班时间", "设置上下班时间", 0);
            listView1.Items.Add("是否启用短信提醒", "是否启用短信提醒", 1);
            listView1.Items.Add("设置密码", "设置密码", 2);
        }

大家帮忙看下,急用~!!!!!!谢谢了