IComparer (eller den IComparable-metod som den är baserad på) returnerade inte noll när Array.Sort anropade x. CompareTo(x). x: X typen för x: Typnamn IComparer: Y.
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English version
Unable to sort because the IComparer.Compare() method returns inconsistent results. Either a value does not compare equal to itself, or one value repeatedly compared to another value yields different results. x: 'X', x's type: 'Type Name', IComparer: 'Y'.
.Net Framework