listview加button如何加

listview加button怎么加？

这个控件是listview吧，怎么在某一列加button，而且是在点击某一行的时候才显示出来，就像图片这样。
谢谢

[解决办法]
不难，参考
[解决办法]
参考2
[解决办法]
参考
[解决办法]

C# code

        private Button btn = new Button();        private void Form1_Load(object sender, EventArgs e)        {            ListViewItem[] lvs = new ListViewItem[3];            lvs[0] = new ListViewItem(new string[] { "行1列1", "行1列2", "" });            lvs[1]=new ListViewItem(new string[] { "行2列1", "行2列2", "" });            lvs[2]=new ListViewItem(new string[] { "行3列1", "行3列2", "" });            this.listView1.Items.AddRange(lvs);            btn.Visible=false;            btn.Text = "...";            btn.Click += this.button_Click;            this.listView1.Controls.Add(btn);            this.btn.Size = new Size(this.listView1.Items[0].SubItems[2].Bounds.Width,                this.listView1.Items[0].SubItems[2].Bounds.Height);        }        private void listView1_SelectedIndexChanged(object sender, EventArgs e)        {            if (this.listView1.SelectedItems.Count > 0)            {                this.btn.Location = new Point(this.listView1.SelectedItems[0].SubItems[2].Bounds.Left,                    this.listView1.SelectedItems[0].SubItems[2].Bounds.Top);                this.btn.Visible = true;            }        }        private void button_Click(object sender, EventArgs e)        {            MessageBox.Show(this.listView1.SelectedItems[0].SubItems[0].Text);        }