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You need to set up a routine to call get() after you have run MainLoop(). The easiest way to manage that is to schedule it with after().
# Delete this from your code: #for ( 0 .. 54 ) #{ # get($_); # last if ($_ == 53 ) #} # Replace with: # Make a closure with $counter. { my $counter = 1; $fetch_data_point = sub { get($counter++); #collect a data point $mainwindow->after(100, $fetch_data_point) unless $counter > 5 +4; # schedule the next run, if necessary. }; } $mainwindow->after(100, $fetch_data_point ); # wait 100 ms then call +function ref.

TGI says moo

In reply to Re: Updating Tk window in real time by TGI
in thread Updating Tk window in real time by tcf03

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