$prompt_warning->destroy if ($warnings eq "we're ok now!"; is premature and doesn't work. It works better by calling "after" right before "show". Here's a dialog that disappears after 10000 milliseconds:
#!/usr/bin/perl
use strict;
use warnings;
use Tk;
use Tk::Dialog;
my $mw = MainWindow->new;
my $warnings = "";
my $prompt_warning = $mw->Dialog(
-title => 'Warnings:',
-text => 'danger',
-bitmap => 'warning',
-default_button => 'OK'
);
my $answer = readmap(0);
my %question;
for ( my $i = 1 ; $i < 256 ; $i = $i * 2 ) {
unless ( ( $answer & $i ) == 0 ) {
$warnings = $question{$answer};
$prompt_warning->after(
10000,
sub {
$prompt_warning->Exit;
}
);
$prompt_warning->Show();
}
}
sub readmap {
print "What is readmap()?\n";
}
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