>>>I have a simple form with an OLERTF object on it. I have a container, invisible at the form's startup, and I make it visible when I click on a button. The OLERTF object is always on top, even if I use ZORDER(1) on it or ZORDER(0) on my container.
>>>
>>>How can I put the OLERTF object backward ?
>>
>>You cannot.
>
>So, how can I see my container then ?

You cannot. Any ActiveX will always be on top of any VFP controls.