TColumn.Showing

Hi,
I'm trying to cause my code to trigger when scrolling horizontally in a
TDBGrid. A cell in a column is having focus. When I scroll (horizontally) it
will eventually go out of view. When this happens I want my code to fire.

I don't know how to do it. Can someone suggest some simple methods?

I'm reading the documentation on TColumn.Showing. It has a proper that I
cannot understand:
property Showing: Boolean!ALink(boolean_type, 1,TopicNotFound,main). What is
this? Should I use this property?

Thanks.
Chris


.

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