// Конструктор (2-Перегрузка: Для изменения ------------------------------------------------------------------------------------------
 public NewNomenGroup(ref Guid GroupID, AfterItemCreationDelegate AfterCreationDelegate, NomenclatureClass EditableGroup)
 {
     this.GroupID = GroupID;
     this.AfterCreationDelegate = AfterCreationDelegate;
     this.EditableGroup         = EditableGroup;
     CreateMode = false;
     InitializeComponent();
     ButtonCreateEnabled = true;
 }
        // Конструктор (1-Перегрузка: Для создания -------------------------------------------------------------------------------------------
        public NewNomenGroup(ref Guid GroupID, AfterItemCreationDelegate AfterCreationDelegate)
        {
            this.GroupID = GroupID;
            this.AfterCreationDelegate = AfterCreationDelegate;
            CreateMode = true;

            InitializeComponent();
            ButtonCreateEnabled = false;
        }