Applies a range to the dataset.
procedure ApplyRange;
Call ApplyRange to cause a range established with SetRangeStart and SetRangeEnd, or EditRangeStart and EditRangeEnd, to take effect.
When a range is in effect, only those records that fall within the range are available to the application for viewing and editing.
After a call to ApplyRange, the cursor is left on the first record in the range.