TableColumnViewModelSortDirection - свойство

public ListSortDirection? SortDirection { get; set; }

Public Property SortDirection As ListSortDirection?
	Get
	Set

public:
virtual property Nullable<ListSortDirection> SortDirection {
	Nullable<ListSortDirection> get () sealed;
	void set (Nullable<ListSortDirection> value) sealed;
}

abstract SortDirection : Nullable<ListSortDirection> with get, set
override SortDirection : Nullable<ListSortDirection> with get, set