gdk-sharp Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. GLib.SignalArgs Event data. The event invokes delegates which pass event data via this class. Constructor Public Constructor. Create a new instance with this constructor if you need to invoke a delegate. Property System.Int32 The height of the area the pixbuf loader has prepared for loading. a Property System.Int32 The width of the area the pixbuf loader has prepared for loading. a