System.Xml.Schema.SchemaCollectionCompiler.IsElementFromGroupBase C# (CSharp) Méthode

        private bool IsElementFromGroupBase(XmlSchemaElement derivedElement, XmlSchemaGroupBase baseGroupBase,  bool skipEmptableOnly) {
            bool isMatched = false;
            foreach(XmlSchemaParticle baseParticle in baseGroupBase.Items) {
                if (!isMatched) {
                    string minOccursElement = baseParticle.MinOccursString;
                    string maxOccursElement = baseParticle.MaxOccursString;
                    baseParticle.MinOccurs *= baseGroupBase.MinOccurs;
                    if ( baseParticle.MaxOccurs != decimal.MaxValue) {
                        if (baseGroupBase.MaxOccurs == decimal.MaxValue)
                             baseParticle.MaxOccurs = decimal.MaxValue;
                        else 
                             baseParticle.MaxOccurs *= baseGroupBase.MaxOccurs;
                    }
                    isMatched  = IsValidRestriction(derivedElement, baseParticle);
                    baseParticle.MinOccursString = minOccursElement;
                    baseParticle.MaxOccursString = maxOccursElement;
                }
                else if (skipEmptableOnly && !IsParticleEmptiable(baseParticle)) {
                    return false;
                }
            }
            return isMatched;
        }