Nope. The form can't change from modeless to modal once it's visible.

You can popup a modal dialog for them to enter the data.




>Can a form make itself modal in mid-flight?
>
>I have a modeless form which has a grid on it, with one column as a checkbox.
>
>The new specification is that if the user clicks on any of these checkboxes, they must visit (and change) a new textbox (not in the grid) before exiting the form.
>
>Can I make the form modal when the user changes a checkbox? If not, and it remains modeless, they can cheerfully go anywhere else in the app, never to revisit this open form if they so choose.
>
>Any suggestions welcomed. Thanks