Pass value to a subroutine in button action : Button « GUI « Perl






  1. Perl
  2. GUI
  3. Button

Pass value to a subroutine in button action

   

use Tk;

my $main = MainWindow->new;

$main->Button(-text => 'Hello',
    -command => [\&printem, "Hello\n"]
)->pack;

$main->Button(-text => 'End',
    -command => [$main => 'destroy']
)->pack;

MainLoop;

sub printem
{
    print shift;
}








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