我从菜单栏项启动 GtkAboutDialog。这是切换对话框的函数:def open_about(self, *args): x = about.run() if x == -4: # When pressing close; about.destroy()如果我单击有关项目的菜单栏一次,就没有问题,对话框将打开,我可以按照您的预期将其关闭。但如果我再次单击,则会出现一个空窗口。只能使用一次。(translate.py:31837): Gtk-CRITICAL **: 19:44:24.373: gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed(translate.py:31837): Gtk-CRITICAL **: 19:44:24.373: gtk_label_set_markup: assertion 'GTK_IS_LABEL (label)' failed(translate.py:31837): Gtk-CRITICAL **: 19:44:24.376: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed
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