GridAttachedGetSortDirection - метод

public static ListSortDirection? GetSortDirection(
	DependencyObject element
)

Public Shared Function GetSortDirection ( 
	element As DependencyObject
) As ListSortDirection?

public:
static Nullable<ListSortDirection> GetSortDirection(
	DependencyObject^ element
)

static member GetSortDirection : 
        element : DependencyObject -> Nullable<ListSortDirection>