public override void LoadReference()
 {
     if (DurationInSeconds != null)
     {
         DurationInSeconds.LoadReference();
     }
     if (Frequency != null)
     {
         Frequency.LoadReference();
     }
 }
 public override void LoadReference()
 {
     if (DurationInSeconds != null)
     {
         DurationInSeconds.LoadReference();
     }
     if (XDestination != null)
     {
         XDestination.LoadReference();
     }
     if (YDestination != null)
     {
         YDestination.LoadReference();
     }
 }