>I create form in Form designer.
>This form have a few containers.
>Problem: when i modify any object in any container time after time in screen see any "noise" with part of objects of "back" containers.
>
>But when I run this form all components worked correctly.
>May be my funny form stay very "difficult problem" for FORM DESIGNER?
>
>Thanks
>
>Sergey.

Reduce your video acceleration. Your video card and/or its drivers may need to be updated.