void SetDragDestToAllWidgets()
{
DragDropHelpers.ApplyToWidget(notebookDragDrop, delegate(Widget w) {
Drag.DestSet(w,
DestDefaults.Motion | DestDefaults.Drop,
DragDropHelpers.TgtAll,
Gdk.DragAction.Move);
w.DragDataReceived += delegate(object o, DragDataReceivedArgs args) {
// first delete
MyButton b = (MyButton)Drag.GetSourceWidget(args.Context);
b.Owner.SetData(null);
// then set...
object data =
DragDropHelpers.Deserialize(args.SelectionData);
SetItem(data);
};
});
}
