>>>>>Maybe they are not inherited from the same base class as the first one?
>>>>
>>>>Ok, here is what I found. On the parent class one textbox had 22 in bold. I reset to default, saved the form and opened the child class. What do you think all textboxes now were - 21! How would you explain the missing pixel??????
>>>
>>>Did you check the commandbutton class they are inherited from?
>>
>>Here is the class code (without methods). Do you think IntegralHeight has something to do with the problem?
>>
>
>Yes.

But why it affects the height in design-time?