Win32::Process::Open( $obj, $pid, $iflags );

##</code><code>##

use Win32::Process;;

$pid = system 1, 'notepad';; ## The return from open2 should work just as well.

Win32::Process::Open( $o, $pid, 0 );;

print $o;;
Win32::Process=SCALAR(0x4073208)

$o->SetPriorityClass( IDLE_PRIORITY_CLASS );;