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Determine which record is displayed at top of continuous form when user uses the scroll bar to scroll down

Dale Fye
Dale Fye asked
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Last Modified: 2020-01-16
I'm trying to determine the PK of the record displayed at the top of a continuous subform.

I have a subform which contains times from 07:30 - 17:00 in 15 minute intervals.  Unfortunately, I can only display about 20 of these records at one time, so I have the vertical scrollbar enabled.  If the user scrolls down, using the vertical scroll bar, I want to be able to determine what time interval is locate at the top of the visible section of the subform.

I know that if the user scrolls down and then selects the top most record, I can use the SelTop property of the form, but this value does not change unless the user actually selects the record at the top of the form.  Any ideas:
1.  What event to use to check whether the user has scrolled down
2.  how to determine the time associated with the record displayed at the top of the form.

Thanks,

Dale
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