/// <summary>
 /// Use a data key to return a data item interface.
 /// Null means that item isn't in the dictionary.
 /// </summary>
 public void HandleOn(uint kval, out DaIBase daii)
 {
     _daIStore.TryGetValue(kval, out daii);
 }
 public SubDaIAdapter(string k, DaIBase src)
     : base(k, src)
 {
     SubDaIDataModel.Instance.HandleOn(myK, out mySubDaii);
 }