Why don't you put an invisible button (style property = 1) over your control? It has when and valid events it also has a click event from which you can control whether the user has access to your control or not.

Luis


>Hi everyone,
>
>I have a custom Control that I need to prevent access to under certain circumstances, however the control only appears to have a GotFocus and LostFocus not a When or Valid.
>
>Is there some way to reproduce the behaviour of the When method?
>
>Thanks in advance