Hide text box if multiple years in list box selected

[kgordis]

I have a list box with two years and a text box. 
Is it possible to hide a text box if multiple years are selected in the list box?

[marcus_sommer]

You could apply a visibility-condition in tab Layout like: count(distinct Year) <= 2

- Marcus

[rwunderlich · Accepted solution]

On the Layout pane of the Text Box, add a Show condition of 

=GetSelectedCount(Year) < 2 

If you wish to count possible values, instead of explicit selections, use GetPossibleCount().

=GetPossibleCount(Year) < 2 

-Rob
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