>>BTW, if I understood your logic correctly, once the changes have been made, you disable all other pages, correct?
>>
>>But you still can leave the page and go to another form's object.
>>
>>I think my idea with NODEFAULT in Page.Deactivate should work.
>>
>
>But there are ways to bypass the NODEFAULT.
>For example
>

>pageframe.noActivePage.SetFocus
>

>

What about interactively? My purpose is to prevent user from leaving the page in case of changes made. NODEFAULT in Deactivate sounds like a good approach to me. There may be still ways to leave the form, but I mean for the average user.