System.Xml.Schema.SchemaCollectionCompiler.IsSequenceFromChoice C# (CSharp) Method

        private bool IsSequenceFromChoice(XmlSchemaSequence derivedSequence, XmlSchemaChoice baseChoice) {
            decimal minOccurs, maxOccurs;
            CalculateSequenceRange(derivedSequence, out minOccurs, out maxOccurs);
            if (!IsValidOccurrenceRangeRestriction(minOccurs, maxOccurs, baseChoice.MinOccurs, baseChoice.MaxOccurs) || derivedSequence.Items.Count > baseChoice.Items.Count) {
                return false;
            }
            foreach (XmlSchemaParticle particle in derivedSequence.Items) {
                if (GetMappingParticle(particle, baseChoice.Items) < 0)
                    return false;
            }
            return true;
        }