public void ChangeSceneDisplayUnit()
 {
     if (SelectedMap == null)
     {
         return;
     }
     if (SelectedSceneAvailableElevUnit == null)
     {
         return;                                   //No DisplayUnitFormat selected.
     }
     //Change the selected scene's elevation unit.
     QueuedTask.Run(() => SelectedMap.SetElevationUnitFormat(SelectedSceneAvailableElevUnit));
     CanChangeSceneEU = false; //Scene's Elevation Unit will match the selected unit. Since we just made the change.
 }