C#

<br />
private void btnUpload_Click(object sender, EventArgs e)<br />
{<br />
      BackgroundWorker worker = new BackgroundWorker();<br />
      worker.DoWork += new DoWorkEventHandler(worker_DoWork);<br />
      worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted);<br />
      MessageBox.Show("FTP 1");<br />
      worker.RunWorkerAsync();<br />
      MessageBox.Show("FTP 2");<br />
      handle.WaitOne(); // This blocks main thread  <br />
      MessageBox.Show("FTP 3");<br />
}<br />
static void worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)<br />
{<br />
      MessageBox.Show("FTP 4");<br />
      handle.Set();<br />
}<br />
<br />

TreeNode parentNode = new TreeNode();
parentNode.Text = "Name";
parentNode.Tag = 1;
parentNode.ExpandAll();
treeView1.Nodes.Add(parentNode);

TreeNode childNode = new TreeNode();
childNode.Text = "Child";
childNode.Tag = 2; //Not sure if I need a Tag for this one.
parentNode.Nodes.Add(childNode);