Hello Nikolay,
I just asked the same question last week.
Why don't you add a property (nOldRow) to store the active record #. Then in the AfterRowColChange() code put:
if recno('mytable') <> thisform.nOldRow
** Do your row change stuff here
thisform.nOldRow = recno()
endif
HTH
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Save a tree, eat a beaver.
Denis Chassé