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gnocl::progress -visible * NOW WORKING

In the Gtk2+ Libs the "visible" property in GtkProgress widget is not implemented. In order todo this the commands gtk_widget_show and  gtk_widget_hide have to be called. Hitherto it was possible to set the gnocl::progresssBar -visible option but it would have no effect. This has now been remedied. It will respond as expected.



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