C#

foreach (object item in listBox1.SelectedItems)
{
    if (!listBox2.Items.Contains(item))
        listBox2.Items.Add(item);
}

Clipboard.SetText(item.ToString());

foreach (object item in listBox1.SelectedItems)
            {
                if (!listBox1.Items.Contains(item))
                    listBox1.Items.Add(item);
                Clipboard.SetText(item.ToString()); 
            }

public enum HowFullIsGlass<br />
  {<br />
      HalfEmpty,<br />
      HalfFull<br />
  }

HowFullIsGlass hfig ;<br />
if (hfig == null)<br />
{<br />
    Console.WriteLine("Null value");<br />
}

public enum HowFullIsGlass<br />
{<br />
    Dunno,<br />
    HalfEmpty,<br />
    HalfFull<br />
}

    <br />
<br />
HTH<br />
<br />
Russ 

gareth111 wrote:

IsNullOrEmpty is not recommended as it can throw an exception which you wouldn't expect.

Pete O'Hanlon wrote:

This only applies in a very specific case and, if you move to .NET 3.5, it's been fixed.

<br />
ListItem li;<br />
foreach (DataRow row in ds1.Tables[0].Rows)<br />
{<br />
  li = lbRequestTime.Items.FindByValue(row["PerfTimeId"].ToString());<br />
  if (li != null)<br />
     li.Selected = true;<br />
}<br />