https://metacpan.org/search?q=dist%3ATk&q=timer -> Tk::after - Execute a command after a time delay

http://search.cpan.org/grep?cpanid=SREZIC&release=Tk-804.030&string=timer&i=1&n=1&C=0

https://metacpan.org/source/SREZIC/Tk-804.030/demos/timer

Or the local approach, the manual win32 local approach

$ perldoc -l Tk
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk.pod

$ grep -ril timer C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk/after.pod
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk/demos/zinc_lib/cou
+nter.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk/demos/zinc_lib/sim
+pleradar.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk/demos/zinc_lib/Zet
+ris.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk/Event.pm
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk/Panedwindow.pm
...

$ perldoc Tk::after
...

$ grep -ril after C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\
+demos
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/a
+rrows.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/B
+all.pm
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/b
+ounce.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/c
+text.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/e
+ntry3.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/i
+tems.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/m
+ega.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/p
+hoto1.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/s
+earch.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/t
+ranstile.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/widget_lib/v
+irtevents1.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_contrib
+_lib/TripleRotatingWheel.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_lib/cou
+nter.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_lib/gro
+ups_in_ATC_strips.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_lib/sim
+pleradar.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_lib/tes
+tGraphics.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_lib/whe
+elOfFortune.pl
C:\perl\site\5.14.1\lib\MSWin32-x86-multi-thread\Tk\demos/zinc_lib/Zet
+ris.pl
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