title: c# add object to listbox and show string of object in it
body: <p>I'm using a ListBox and adding objects to it.</p>
  
  <p>The object contains 2 variables, let's say username and userid.</p>
  
  <p>How can I add the objects in the list (like
  listbox.Items.Add(object);)
  and show the username of that object?</p>
  
  <p>Thnx!</p>