C#

<br />
treeView1.ImageList = imageList1;<br />
for (int i = 0; i < 4; ++i)<br />
{<br />
TreeNode n = new TreeNode("Node with image " + i.ToString());<br />
n.ImageIndex = 0;<br />
n.SelectedImageIndex = 1;<br />
treeView1.Nodes.Add(n);<br />
}	<br />

protected override void OnPaintBackground(PaintEventArgs e)<br />
        {<br />
            base.OnPaintBackground(e);<br />
<br />
            Graphics gx = e.Graphics;<br />
            Pen pen = new Pen(Color.Red);<br />
            Rectangle rect = e.ClipRectangle;<br />
            rect.X += 10;<br />
            rect.Y += 10;<br />
            rect.Width -= 20;<br />
            rect.Height -= 20;<br />
<br />
            gx.DrawRectangle(pen, rect);<br />
        }

private void syncbut_Click(object sender, EventArgs e)
{

    int filePathList = listView1.Items[0].Index;
    int lv2name = listView2.Items[0].Index;
    string fileName = listView2.Items[lv2name].Text;
    string path = listView1.Items[filePathList].Text;
    string path2 = textBox4.Text + fileName;

    if (filePathList <= maxFilePath)
    {
        listView1.Items[filePathList].SubItems[2].Text = "Processing";
        File.Copy(path, path2);

        filePathList++;
        lv2name++;
    }
        this.syncstat.Text = "Status:  All Files Have Copied Successfully";
}