or null if it has not been set yet. The returned string belongs to GLib and must not be modified or freed.
getPrgname
fn
string getPrgname()Gets the name of the program. This name should not be localized, in contrast to [glib.global.getApplicationName].
If you are using #GApplication the program name is set in [gio.application.Application.run]. In case of GDK or GTK it is set in [gdk.global.init_], which is called by [gtk.global.init_] and the #GtkApplication::startup handler. The program name is found by taking the last component of argv[0].
Returns
the name of the program,