gtk-sharpGtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.GLib.SignalArgsEvent data for changing a tag.The event invokes delegates which pass event data via this class.ConstructorPublic Constructor.Create a new instance with this constructor if you need to invoke a delegate.PropertySystem.BooleanWhether or not the size of the tag changed with this event.A , true if the size of the tag changed.PropertyGtk.TextTagThe tag that changed.A