thisform.PreSaveHook() your code thisform.PostSaveHook()Add these two stub methods to your base form class.
thisform.AddProperty('oRecBeforeSave') scatter name thisform.oRecBeforeSave memoOops, would not work <g> You need to save record before started editting.
*in the PostSaveHook scatter name loCurrRecord memo if not compobj(loCurrRecord, thisform.oRecBeforeSave) * analyze the changes and update your memo - would be one extra tableupdate, though endif