To eliminate the need for seperate files add 
 
BEGIN {
    $INC{'LedPanelDisplay.pm'} = 
    $INC{'LedPanelMatrix.pm'} = 
    $INC{'LedPanelCtbl.pm'} = 
    $INC{'LedPanelColourTbl.pm'} = __FILE__;
}

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Your window is unclosable, you forgot  $event->Skip; in onPaint

In reply to Re: wxPerl LED Dot Matrix Display Panel by Anonymous Monk
in thread wxPerl LED Dot Matrix Display Panel by jmlynesjr

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