>>The InteractiveChange() method of this control (fires when the user

>>is typing in the control) will compare THIS.Value to THIS.OldValue

>>and if they are not the same, THIS.Value will be copied to

>>THIS.OldValue, like so:

>>

>>IF THIS.Value <> THIS.OldValue

>> THIS.OldValue = THIS.Value

>>ENDIF

>I don't get why you are checking using the interactivechange method.

>This fires for every character you type in the control. If you want

>to check a date I would use the Valid() or lostfocus() methods so

>you can check the whole date not a half entered date. I only use

>the interactivechange method when doing searches where you want to

>display partial matches.

LostFocus() does not fire unless and until something else gets focus.

There are actions the user can take that result in nothing having

focus, so LostFocus() is not a reliable place to validate

user-entered contents of controls.

My memory is more dim regarding Valid(), but I believe I experimented

with it and could not get it to work the way I wanted. Perhaps I was

trying to display a MessageBox concerning the user's entry and it

would only display a WAIT WINDOW or something. I don't know, but that

decision was made long ago.

Although my decision may seem idiosyncratic, it has worked in

practice, and in theory there is no reason why my use of

InteractiveChange() should cause the error I've seen.

Thanks.

Ken Dibble

www.stic-cil.org

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