public override void OnPreCreateSection(Net.Vpc.Upa.Callbacks.SectionEvent @event)
 {
     if ([email protected]().IsValidStructureModificationContext())
     {
         throw new Net.Vpc.Upa.Exceptions.InvalidStructureModificationContextException();
     }
 }
 public virtual void OnMoveSection(Net.Vpc.Upa.Callbacks.SectionEvent @event)
 {
 }
 public virtual void OnPreDropSection(Net.Vpc.Upa.Callbacks.SectionEvent @event)
 {
 }