showing QLPreviewController in a containerView

I see there is not many answers about quicklook posts

I have an IOS app which display items in a QLPreviewController and it works well when I presenty the QLPreviexwController.

Now I want to change the presentation: I want a ViewController with 2 viewContainer: One for informations about the object represented by quicklook, and the other with the previewController itself.

When I run the nw App, I don’t see the preview in the second viewContainer. The function numberOfPreviewItems is called, but previewItemAt is never called.

Do you think it is not possible to show a quicklook item in a viewContainer?

showing QLPreviewController in a containerView
 
 
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