protected override void afterPopulateProps()
 {
     afterPropertySetPopulateProps();
     WorkUnit.SetOnPropChange( OnWorkUnitPropChange );
     ApplyToAllWorkUnits.SetOnPropChange( OnApplyToAllWorkUnitsPropChange );
     Role.SetOnPropChange( OnRolePropChange );
     ApplyToAllRoles.SetOnPropChange( OnApplyToAllRolesPropChange );
 }