gdk-sharp 2.12.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Event data. The event invokes delegates which pass event data via this class. GLib.SignalArgs Constructor Public Constructor. Create a new instance with this constructor if you need to invoke a delegate. Property System.Int32 The height of the screen area that was updated. A Property System.Int32 The width of the screen area that was updated. A Property System.Int32 The Y coordinate of the upper left point in the updated area. A Property System.Int32 The X coordinate of the upper left point in the updated area. A