#73 ShowBalloon use of unitialized variable

[Anonymous]

Extending the example in the tutorial regarding system tray icons to show balloon messages fails with:

Use of uninitialized variable in subroutine entry at C:/Perl/site/lib/Win32/GUI.pm line 2842

I extended the tutorial to recreate the error I was getting with another script. Oddly, the NotifyIcon.pl (Notify Icon Tester) works as it should.

Version Info:
Win32::GUI 1.05 (dl and install from sourceforge)
shell32.dll 6.0.2900
Notify Icon Tester 1.01

Not sure if it's the deprecated ID or Window attributes that may be missing. Obviously, you need to adjust my test.pl to reference an existing ico file.

In my other script, $Window->ShowBalloon(0) does not complain, but the very next line $Window->ShowBalloon(1) does.

Let me know what information or testing may help solve this one.

Jim

[Nobody/Anonymous]

[Robert May]

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That'll be because the option you want to be using is '-balloon_tip' and not '-balloon_text'. As a result of this error '-balloon_tip' ends up undefined.

Regards,
Rob.