Node:Passing control to Tk, Next:Housekeeping, Previous:Servicing Tk Events, Up:The Prolog library
There is a predicate for passing control completely over to Tk, the tk_main_loop/0 command. This passes control to Tk until all windows in all the Tcl/Tk interpreters in the Prolog have have been destroyed:
tk_main_loop/0
tk_main_loop