There does not seem to be anything like "g_tk___popdown()". How can I pop down the menu?

You can't, that is the point/purpose/design behind tk_popup, it shows a menu, pauses your program, until user makes a selection (or escapes)

maybe you want balloons/tooltips ?

In reply to Re^9: Tkx g_bind to menu on listbox only for selected row by Anonymous Monk
in thread Tkx g_bind to menu on listbox only for selected row by v4169sgr

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