Select Code to Download

use Win32::API;

...
  );

   my $string =  $function->Call('FontEncode');

  $function = Win32::API->new(
      'IDAutomationDMATRIX6', 'FontEncode',['P','N','N','N','P'], 'P'
  );

  $function = Win32::API->new(
      'IDAutomationDMATRIX6', 'FontEncode',['P','N','N','N','P'], 'P',
+ '_cdecl'
  );

  $function = Win32::API->new(
      'IDAutomationDMATRIX6', 'FontEncode',['P','N','N','N','P'], 'P',
+ '__stdcall'
  );

my $string =  $function->Call($str1, $n1, $n2, $n3, $str2);

my $string = '' x 500; # Big enough ?
$string =  $function->Call($str1, $n1, $n2, $n3, $str2);