Dig the bitmaps out of the Tk module source directory, under pTk/bitmaps, or make your own. Also see zicons-Tk-Icon-Selector 
#!/usr/bin/perl
use warnings;
use strict;
use Tk;

#  from perldoc messageBox
#  -icon
#  Specifies an icon to display. On X11 any of the
#  builtin Tk bitmaps can specified. On Windows only
#  error, info, question or warning are supported.
                    
my $mw = tkinit;

$mw->fontCreate('big',
   -family=>'arial',
  -weight=>'bold',
  -size=>int(-18*18/14));

my $bits = pack("b8"x8,
"...11...",
"..1111..",
".111111.",
"11111111",
"11111111",
".111111.",
"..1111..",
"...11...",);

$mw->DefineBitmap('indicator' => 8,8, $bits);

$mw->Button(-text=>'Press Me',
            -command => sub{ 
              my $message = localtime;    
              &send_message( $message) }
            )->pack;
MainLoop;

sub send_message{
my $message = shift;
$mw->messageBox(
            -background => 'lightyellow',
            -foreground => 'red',
        -icon       => 'indicator',
            -message    => $message,
            -font       => 'big',
        -type       => 'OK'
        );
}

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In reply to Re: How to get error/info/warning icons in perl /tk by zentara
in thread How to get error/info/warning icons in perl /tk by kapsule

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