Function DbRefresh() Foundation
Forces refresh of all internal cache buffers of current work area
DbRefresh() --> NIL
The return value of DbRefresh() is always NIL.
The function DbRefresh() causes the current work area to discard all data held in internal buffers and re-load them from disk. This way all data held in memory is synchronized with the data stored in the database. DbRefresh() also voids the buffers used by the Rushmore optimizer engine and Smart Filters.
When DbRefresh() is called, the notification DBO_ROWSET_CHANGED is sent to all objects registered in the work area via DbRegisterClient(). This allows for a convenient way to refresh data displayed on screen.
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