it works fine in \Demos\LayerEditing\Layers_Text\TextLayers.dpr, it also works when I created new simple application form + ImageEnView component.
What version of ImageEn and Delphi are you using? -> I use ImageEn v13.7.0
32bit or 64bit EXE? -> 32 bit EXE.
I have tested it more intense today and in my opinion there is problem when ImageEnView is used with form where formStyle = fsMDIChild. As you can see below I was able to achieve this effect that forrmating buttons are inactive: