I happen to do almost exactly what you ask - I place a button on Tk and when user presses it, I invoke VIM.

In order to achieve this, you need 

  Win32::Process::Create($pobj,
            "$args[0]",
            "@args",
            0,
            NORMAL_PRIORITY_CLASS,
            ".")
     || die "can't Win32::Process::Create: (\@args=[@args])". Win32::F
+ormatMessage(Win32::GetLastError());

[download]
See proper documentation.

Also, using Tcl::Tk as a replacement to perlTk will give you many advantages.

Best regards,
Courage, the Cowardly Dog

In reply to Re: 'system' hangs in a Windows Tk app by Courage
in thread 'system' hangs in a Windows Tk app by ff

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