
delayed_callback
Use
This event is triggered if the user clicks a cell other than that currently selected. The ALV Grid Control triggers this event with a short delay of 1,5 seconds.

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The ALV Grid Control triggers this event also for method
set_table_for_first_display and for standard function Sum . For standard function Find , the event is only triggered if a cell found is not identical to the cell selected before.
For an overview, see:
Events of Class CL_GUI_ALV_GRID