>>so what number do we use to show only 4 rows? 4 or -3 ???
>
>Dave,
>
>To show 4 rows you use 4, 0 is the default, meaning it is 7 rows, but 7 is also seven rows non-default.

Some day in a year or two there'll be a KB article of "The combo behaves slightly different if it's set to display 7 rows by setting the controlcount to 7, as opposed to setting it to 0 (default) when it displays 7. The behavior is by design."