use strict;
use Wx;

##############################

package MyApp;

use base qw(Wx::App);

sub OnInit {

    my($this) = shift;
    my($frame) = MyFrame->new;

    $frame->Show(1);
    $this->SetTopWindow($frame);

    return 1;
}

##############################

package MyFrame;

use base qw(Wx::Frame);

use Wx::DND;
use Wx::Event qw(EVT_LIST_BEGIN_DRAG);

sub new {
    my($class) = shift;
    my $this   = $class->SUPER::new(undef, -1, 'test');

    $this->{listbox} = Wx::ListBox->new($this, -1, [0,0], [180,200]);
    $this->{listbox2} = Wx::ListBox->new($this, -1, [200,0], [180,200]);

    $this->{listbox}->InsertItems(['foo'], 'end');
    $this->{listbox}->InsertItems(['bar'], 'end');

    EVT_LIST_BEGIN_DRAG($this->{listbox}, $this->{listbox}, \&OnDrag);
    EVT_LIST_BEGIN_DRAG($this->{listbox2}, $this->{listbox2}, \&OnDrag);

    return $this;
}

sub OnDrag {
    
    my( $this, $event ) = @_;

    my $data   = Wx::TextDataObject->new($this);
    my $source = Wx::DropSource->new($this);

    $source->SetData($data);
    $source->DoDragDrop(1);

    $source->InsertItems([$data], 'end');


}

##############################

package main;

my ($app) = MyApp->new();
$app->MainLoop();