gtk-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 Gdk.DragContext The context of this drag. a Property System.UInt32 For internal use. a Property Gtk.SelectionData The data from the drag-and-drop selection that was dropped as part of the event. a object. Property System.UInt32 The time the data was received by the destination widget. A Property System.Int32 The X coordinate where the data was dropped. An integer. Property System.Int32 The Y coordinate where the data was dropped. An integer.