static IntPtr Fill_cb(IntPtr inst, IntPtr count, IntPtr cancellable, out IntPtr error) { error = IntPtr.Zero; try { BufferedInputStream __obj = GLib.Object.GetObject(inst, false) as BufferedInputStream; long __result; __result = __obj.OnFill((long)count, GLib.Object.GetObject(cancellable) as GLib.Cancellable); return(new IntPtr(__result)); } catch (Exception e) { GLib.ExceptionManager.RaiseUnhandledException(e, true); // NOTREACHED: above call does not return. throw e; } }