use strict;
use Wx qw/wxSOLID/;

package MGV;
use base 'Wx::App';

sub OnInit 
{
  my $self = shift;
	
  my $frame = Wx::Frame->new( undef, -1, 'title', 
    [500,500], [500,500] );
	
  my $dc = Wx::ClientDC->new( $frame );
	
  $dc->SetBrush( Wx::Brush->new( 'black', Wx::wxSOLID ) );
  $dc->DrawRectangle( 100,100, 200,200 );
		
  $frame->Show( 1 );
}

package main;

MGV->new()->MainLoop();


##</code><code>##

  $self->EVT_PAINT(
    sub{
      my $dc = Wx::PaintDC->new( $frame );
      $dc->BeginDrawing();
      
        $dc->DrawRectangle( 100,100, 200,200 );
      
      $dc->EndDrawing();
    }
  );