ListBox SelectionMode None ??

[Q. John Chen]

I have a ListBox only to display list of data and do not want user to
select anything.

I set the SelectionMode to None. It worked as expected.

But, when I close the window. The generated Dispose method raises an
ArgumentException:

Cannot call this method when SelectionMode is SelectionMode.NONE.\r
\nParameter name: SelectedIndex

How can I avoid this?

Thanks

John

 

[Herfried K. Wagner [MVP]]

I have a ListBox only to display list of data and do not want user to
select anything.

<URL:http://dotnet.mvps.org/dotnet/samples/controls/ReadOnlyListBox.zip>

 

[Q. John Chen]

Thanks for the response.

My workaround is just set the SelectionMode to a value other than None
in FormClosing event.

But I just think it is a bug when disposing the ListBox.