C#

string[] valNames = regKey.GetValueNames();<br />
foreach(string tmp in valNames)<br />
{<br />
// do something<br />
}

RegistryKey regKey = Registry.LocalMachine.CreateSubKey(@"Software\MyTestRegKey");
foreach(string name in regKey.GetValueNames())
{
    Debug.Print(regKey.GetValue(name));
}

private Pop3Client popClient = new Pop3Client ();

popClient.Connect (server)  // <-- Internally this method calls the Connect () method
...
protected string Connect ()
		{
			string temp;

			if (!Active) {
				//Active = true;
				popClient.Connect (server, 110);
			}
			else
				return ("Client is already connected.");

			try {
				streamWrite = PopClient.GetStream ();
				streamRead = new StreamReader (PopClient.GetStream ());

				state = ConnectState.AUTHORIZATION;
				temp = streamRead.ReadLine ();
			}

			catch (InvalidOperationException ex) {
				temp = "Error in Connect (): " + ex.ToString ();
			}

			return temp;
		}

public string Disconnect ()
		{
			string temp = "";

			if (state != ConnectState.DISCONNECTED) {
				try {
					temp = QUIT ();
					//streamWrite.Close ();
					//streamRead.Close ();
					//base.Close ();
					state = ConnectState.DISCONNECTED;
				}
				catch (SocketException ex) {
					Debug.Write ("Error in Disconnect (): " + ex.ToString ());
				}
				temp += "\r\n" + "*** Disconnected Successfully ***";
			}
			else
				temp = "Not connected";

			//streamWrite.Close ();
			//streamRead.Close ();
			Close ();
			return temp;
		}

string CurrentDir = System.Environment.CurrentDirectory;<br />
CurrentDir += "\\DB\\database.mdb";

this.oleDbConnection1.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Password="""";User ID=Admin;Data Source=";<br />
  this.oleDbConnection1.ConnectionString += CurrentDir;<br />
  this.oleDbConnection1.ConnectionString += @";Mode=Share Deny None;Extended Properties="""";Jet OLEDB:System database="""";Jet OLEDB:Registry Path="""";Jet OLEDB:Database Password="""";Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=1;Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Global Bulk Transactions=1;Jet OLEDB:New Database Password="""";Jet OLEDB:Create System Database=False;Jet OLEDB:Encrypt Database=False;Jet OLEDB:Don't Copy Locale on Compact=False;Jet OLEDB:Compact Without Replica Repair=False;Jet OLEDB:SFP=False";

<br />
<br />
foreach(TreeNode treenode in treeView.Nodes){				//MessageBox.Show(s.Text); just to see it.<br />
  //now you have a treenode for each node in your treeview so all you have to do is write treenode.Name to a string[] or something and then write it to a file<br />
}<br />

[ToolboxBitmap(typeof(MyTreeView))]<br />
public class MyTreeView : System.Windows.Forms.TreeView<br />
{<br />
// code...<br />
}