The
EnhancedScrollClass (EScroll) has been designed to provide high performance
browsing and scrolling on page loaded browses in a Clarion application
regardless of the file driver being used by the developer. It is a
replacement for the standard ABC BrowseClass and its central role
is to use Windows timers to determine when an end user actually starts
and stops a scroll operation on a list control. This effectively eliminates
the unnecessary secondary lookups performed on a browse when a user
scrolls through it. Integrating the EnhancedScrollClass into an existing
application is easy since it has been derived from the standard BrowseClass.
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