All< TSource >()

static bool System.Linq.Enumerable.All< TSource > ( this IEnumerable< TSource > source, Func< TSource, bool > predicate )

inlinestatic

Definition at line 3659 of file Enumerable.cs.

    {
        if (source == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source);
        }
        if (predicate == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.predicate);
        }
        foreach (TSource item in source)
        {
            if (!predicate(item))
            {
                return false;
            }
        }
        return true;
    }

References System.item, System.Linq.predicate, System.Linq.source, and System.Linq.ThrowHelper.ThrowArgumentNullException().