System.Xml.Schema.SchemaCollectionPreprocessor.PreprocessNotation C# (CSharp) Method

        private void PreprocessNotation(XmlSchemaNotation notation) {
            if (notation.Name != null) { 
                ValidateNameAttribute(notation);
                notation.QualifiedName = new XmlQualifiedName(notation.Name, this.targetNamespace);
            }
            else {
                SendValidationEvent(Res.Sch_MissRequiredAttribute, "name", notation);
            }
            if (notation.Public != null) { 
                try {
                    XmlConvert.ToUri(notation.Public); // can throw
                } 
                catch {
                    SendValidationEvent(Res.Sch_InvalidPublicAttribute, notation.Public, notation);
                }
            }
            else {
                SendValidationEvent(Res.Sch_MissRequiredAttribute, "public", notation);
            }
            if (notation.System != null) {
                try {
                    XmlConvert.ToUri(notation.System); // can throw
                } 
                catch {
                    SendValidationEvent(Res.Sch_InvalidSystemAttribute, notation.System, notation);
                }    
            }
            PreprocessAnnotation(notation); //Set parent of annotation child of notation
            ValidateIdAttribute(notation);
        }