Maybe it's me <g> What do you mean by "prompt out"?

>Thanks for reply.
>
>May be I not made question clear enough.
>
>My problem is each time I close the preview window. the comamnd window will prompt out even it is closed before or attached to property window.
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>It will detach from property window, or reopen.
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>How to avoid the this behavior?
>
>
>TIA.