System.Data.DataRelationCollection.DataSetRelationCollection.this C# (CSharp) Method

            public override DataRelation this[string name]
            {
                get
                {
                    int index = InternalIndexOf(name);
                    if (index == -2)
                    {
                        throw ExceptionBuilder.CaseInsensitiveNameConflict(name);
                    }
                    return (index < 0) ? null : (DataRelation)List[index];
                }
            }