System.Xml.Serialization.XmlSchemaExporter.SchemaContainsItem C# (CSharp) Method

        private bool SchemaContainsItem(XmlSchemaObject item, string ns)
        {
            XmlSchema schema = _schemas[ns];
            if (schema != null)
            {
                return schema.Items.Contains(item);
            }
            return false;
        }