Makes @status_icon display the file @filename. See gtk_status_icon_new_from_file() for details.
a filename
Deprecated: Use #GNotification and #GtkApplication to provide status notifications; you can use g_notification_set_icon() to associate a #GIcon with a notification
2.10
See Implementation
Makes @status_icon display the file @filename. See gtk_status_icon_new_from_file() for details.