use PerlQt5::QtCore;
use PerlQt5::QtGui;
use PerlQt5::QtWidgets;
package MyApp;
use base qw(PerlQt5::QtCore::QCoreApplication);
package MyPushButton;
use base qw(PerlQt5::QtWidgets::QPushButton);
package main;
my $app = MyApp->new(scalar @ARGV, \@ARGV);
$app = PerlQt5::QtWidgets::QApplication->new( 'Hello, World!', undef);
# but crash here with error ... QWidget: Cannot create a QWidget witho
+ut QApplication
my $button = PerlQt5::QtWidgets::QPushButton->new( 'Hello, World!', un
+def);
yes, I am noy sure how to instanciate a global QApplication ?
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