If I understand you correctly, you want a dialog type widget that returns some data, rather than an Ok, etc. You might want to look at Tk RGBColorDialog where I use a toplevel as a dialog with a data return value.
I'm not really a human, but I play one on earth CandyGram for Mongo

In reply to Re^3: TK::Dialogbox geometry spec by zentara
in thread TK::Dialogbox geometry spec by kayl

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