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

        private int GetMappingParticle(XmlSchemaParticle particle, XmlSchemaObjectCollection collection) {
            for (int i = 0; i < collection.Count; i++) {
                if (IsValidRestriction(particle, (XmlSchemaParticle)collection[i]))
                    return i;
            }
            return -1;
        }