Good morning. I've had some production code in effect for a few years using TKX under ActiveState Perl, but had to move to Strawberry because of Windows 10 at work. I'm now using Tk and have a problem. Under TKx, it was easy to change the botton's background color, but under Tk, I'm not seeing how. The background =>"yellow" did not work. Here's my code: 
#!/usr/bin/perl -w

use Tk;

open(OUTFILE, '>>forecast.txt') or die "Cannot open forecast.txt: $!";

my $mw = MainWindow->new;
$mw->geometry("150x700");
$mw->title("Multiple Windows Test");

my $button1 = $mw->Button(-text => "18-Letters",
                          -command => sub {print OUTFILE "18L\n", back
+ground => "yellow"})->pack(-side => "top");
my $button2 = $mw->Button(-text => "07-Orders",
                          -command => sub {print OUTFILE "07O\n"})->pa
+ck(-side => "top");
my $button3 = $mw->Button(-text => "36-Letters",
                          -command => sub {print OUTFILE "36L\n"})->pa
+ck(-side => "top");
my $button4 = $mw->Button(-text => "38-Letters",
                          -command => sub {print OUTFILE "38L\n"})->pa
+ck(-side => "top");
my $button5 = $mw->Button(-text => "11-Orders",
                          -command => sub {print OUTFILE "11O\n"})->pa
+ck(-side => "top");
my $button6 = $mw->Button(-text => "99-Letters",
                          -command => sub {print OUTFILE "99L\n"})->pa
+ck(-side => "top");
my $button7 = $mw->Button(-text => "21-Letters",
                          -command => sub {print OUTFILE "21L\n"})->pa
+ck(-side => "top");
my $button8 = $mw->Button(-text => "23-Letters",
                          -command => sub {print OUTFILE "23L\n"})->pa
+ck(-side => "top");
my $button9 = $mw->Button(-text => "Return to L&I",
                          -command => sub {print OUTFILE "OOO\n"})->pa
+ck(-side => "top");
my $button10 = $mw->Button(-text => "D1008235",
                          -command => sub {print OUTFILE "D1008235 08\
+n"})->pack(-side => "top");
my $button11 = $mw->Button(-text => "D2008235",
                          -command => sub {print OUTFILE "D2008235 08\
+n"})->pack(-side => "top");
my $button12 = $mw->Button(-text => "D2108235",
                          -command => sub {print OUTFILE "D2108235 08\
+n"})->pack(-side => "top");
my $button13 = $mw->Button(-text => "D2208235",
                          -command => sub {print OUTFILE "D2208235 08\
+n"})->pack(-side => "top");
my $button14 = $mw->Button(-text => "D2608235",
                          -command => sub {print OUTFILE "D2608235 08\
+n"})->pack(-side => "top");
my $button15 = $mw->Button(-text => "D6108 CMPRT09",
                          -command => sub {print OUTFILE "D6108235-1\n
+"})->pack(-side => "top");
my $button16 = $mw->Button(-text => "D6108 CMPRT10",
                          -command => sub {print OUTFILE "D6108235-2\n
+"})->pack(-side => "top");
my $button17 = $mw->Button(-text => "D6308 CMPRT03",
                          -command => sub {print OUTFILE "D6308235-1\n
+"})->pack(-side => "top");
my $button18 = $mw->Button(-text => "D6408235 CMPRT03",
                          -command => sub {print OUTFILE "D6408235-1\n
+"})->pack(-side => "top");
my $button19 = $mw->Button(-text => "D6608 CMPRT06",
                          -command => sub {print OUTFILE "D6608235-06\
+n"})->pack(-side => "top");
my $button20 = $mw->Button(-text => "D6608 CMPRT25",
                          -command => sub {print OUTFILE "D6608235-25\
+n"})->pack(-side => "top");
my $button21 = $mw->Button(-text => "D6608 CMPRT26",
                          -command => sub {print OUTFILE "D6608235-26\
+n"})->pack(-side => "top");
my $button22 = $mw->Button(-text => "D6608 CMPRT27",
                          -command => sub {print OUTFILE "D6608235-27\
+n"})->pack(-side => "top");
my $button23 = $mw->Button(-text => "X6108235",
                          -command => sub {print OUTFILE "X6108235 08\
+n"})->pack(-side => "top");
my $button25 = $mw->Button(-text => "D8815235",
                          -command => sub {print OUTFILE "D8815235 15\
+n"})->pack(-side => "top");
my $button26 = $mw->Button(-text => "M1915235",
                          -command => sub {print OUTFILE "M1915235 15\
+n"})->pack(-side => "top");
my $button27 = $mw->Button(-text => "M9015235",
                          -command => sub {print OUTFILE "M9015235 15\
+n"})->pack(-side => "top");
my $button28 = $mw->Button(-text => "M9115235",
                          -command => sub {print OUTFILE "M9115235 15\
+n"})->pack(-side => "top");
my $button29 = $mw->Button(-text => "WR115235",
                          -command => sub {print OUTFILE "WR115235 15\
+nWR415235 15\n"})->pack(-side => "top");
$mw->Button(-text => "Exit", -command => sub{$mw->destroy})->pack();



MainLoop;

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In reply to Change button color with Tk by PerlCowboy

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