Use $main::MW instead of plain $MW inside AboutBPP:
sub AboutBPP
{
    my $about_dialog = $main::MW->DialogBox(

[download]
But note that following the suggestions given above by others, about passing $MW as the first parameter (an turning the our into a my in main), is probably better and future-proof: use of package variables is more or less equivalent to using global variables.

Flavio
perl -ple'$_=reverse' <<<ti.xittelop@oivalf

Don't fool yourself.

In reply to Re: Sharing Across Packages by polettix
in thread Sharing Across Packages by mikasue

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