dock属性使用起来很方便，可以使窗体更加富有思想
eg.
private void pictureBox2_Click(object sender, EventArgs e)
        {
            if (panel3.Visible)
                panel3.Visible = false;
            else
                panel3.Visible = true;
        }
效果：

http://p.blog.csdn.net/images/p_blog_csdn_net/meixiaoqiang/EntryImages/20090703/112.JPG(1)" />

    private void toolStripButton4_Click(object sender, EventArgs e)        //详细信息

        {

            this.panel3.Visible = true;

            this.panel4.Visible = false;

            this.panel3.Dock = DockStyle.Fill;

            this.panel2.Visible = false;

            this.panel1.Visible = false;

        }

效果：

http://p.blog.csdn.net/images/p_blog_csdn_net/meixiaoqiang/EntryImages/20090703/112633822092967343750.JPG(1)" />

3.

  private void bntamerica_Click(object sender, EventArgs e)

        {

            lvQs.Dock = DockStyle.None;

            bntamerica.Dock = DockStyle.Top;

            bntchina.Dock = DockStyle.Top;

            bntengland.Dock = DockStyle.Bottom;

            btneurope.SendToBack();

            btneurope.Dock = DockStyle.Bottom;

            btnword.SendToBack();

            btnword.Dock = DockStyle.Bottom;

            btnout.SendToBack();

            btnout.Dock = DockStyle.Bottom;

            lvQs.Dock = DockStyle.Fill;

            lvQs.Clear();

            lvQs.Items.Add("哈哈", 0);

            lvQs.Items.Add("呵呵", 1);

        }：

    }
http://p.blog.csdn.net/images/p_blog_csdn_net/meixiaoqiang/EntryImages/20090703/112633822094072656250.JPG(1)" />

原文地址:http://blog.csdn.net/meixiaoqiang/article/details/4317811