title: .NET ComboBox Autocomplete failing on slashes
body: <p>The .NET ComboBox autocomplete will not fully autocomplete with the display text contains a slash.  It completes only up to the slash, leaving SelectedIndex == -1 and SelectedValue == null.  </p>
  
  <p>This behavior stupidly persists no matter whether your autocompletesource is set to ListItems rather than FileSystem or URL.</p>
  
  <p>Is there any workaround for this that doesn't involve just throwing the ComboBox class away and writing a "MyComboBox" class?</p>