http://search.cpan.org/grep?cpanid=KARASIK&release=Win32-GuiTest-1.56&string=pid&i=1&n=1&C=0 http://search.cpan.org/grep?cpanid=KARASIK&release=Win32-GuiTest-1.56&string=process&i=1&n=1&C=0

Either hack Win32::GuiTest to expose GetWindowThreadProcessId, or use Win32::API 

use Win32::API;
BEGIN {
    Win32::API::->Import("user32","DWORD GetWindowThreadProcessId( HWN
+D hWnd, LPDWORD lpdwProcessId)") or die $^E;
}

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In reply to Re: Win32::GuiTest process id by Anonymous Monk
in thread Win32::GuiTest process id by leonidlm

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