/// <summary>
 /// Loads <see cref="E06Level111"/> items on the E05Level111Objects collection.
 /// </summary>
 /// <param name="collection">The grand parent <see cref="E03Level11Coll"/> collection.</param>
 internal void LoadItems(E03Level11Coll collection)
 {
     foreach (var item in this)
     {
         var obj = collection.FindE04Level11ByParentProperties(item.marentID1);
         obj.E05Level111Objects.IsReadOnly = false;
         var rlce = obj.E05Level111Objects.RaiseListChangedEvents;
         obj.E05Level111Objects.RaiseListChangedEvents = false;
         obj.E05Level111Objects.Add(item);
         obj.E05Level111Objects.RaiseListChangedEvents = rlce;
         obj.E05Level111Objects.IsReadOnly             = true;
     }
 }