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How can I setup my listbox control to allow only 1 selection or 0 selections? Say I have a list and the user can select a city and save it but then he is able to come back and see what is highlighted then decides he doesn't want any of the cities selected so he clicks on the 1 city he picked before and it needs to deselect that row and have no rows within the list selected. Is this possible with just using the llistbox?
Thank You
Thank You