public ElementRepetitionConstructionDto(
     ElementConstructionDto enfant,
     int min,
     int max)
 {
     Element   = enfant;
     NombreMin = min;
     NombreMax = max;
 }
 public ElementEtiquetteConstructionDto(
     EnumTypeBlock typeBloc,
     string id,
     ElementConstructionDto element)
 {
     this.typeBloc = typeBloc;
     this.id       = id;
     this.element  = element;
 }