XPQueryExtensions.AllAsync<T>(IQueryable<T>, Expression<Func<T, Boolean>>, CancellationToken) Method

public static Task<bool> AllAsync<T>(
    this IQueryable<T> query,
    Expression<Func<T, bool>> predicate,
    CancellationToken cancellationToken = default(CancellationToken)
)

<ExtensionAttribute>
Public Shared Function AllAsync(Of T)(
    query As IQueryable(Of T),
    predicate As Expression(Of Func(Of T, Boolean)),
    cancellationToken As CancellationToken = Nothing
) As Task(Of Boolean)