That's exactly the problem - ControlSource is calling a procname(table.field) and SetOrder is horking all over that. Problem is, it's always been like this and the current executable that our customers are using isn't failing on this. Most confusing.

not to mention frustrating


>>Actually, there's a form property lresize that allows resizing the columns - although it appears now that the problem is not with the resizing, the problem is with the clicking on the header.
>>
>>More details as they come
>>
>
>I see. It may be that you have a complex expression in one of your columns and thus SetOrder is failing.
>
>In our case, BTW, we didn't allow resizing of the columns. I don't remember ever having lResize property.
>
>Still the problem (I believe) is in the ControlSource of these columns.