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XmlSchemaElement Class
.NET Framework 3.0
Represents the element element from XML Schema as specified by the . This class is the base class for all particle types and is used to describe an element in an XML document.
Namespace: System.Xml.Schema
Assembly: System.Xml (in system.xml.dll)
Assembly: System.Xml (in system.xml.dll)
The following example creates the element element.
Imports System Imports System.Xml Imports System.Xml.Schema Class XMLSchemaExamples Public Shared Sub Main() Dim schema As New XmlSchema() ' <xs:element name="cat" type="string"/> Dim elementCat As New XmlSchemaElement() schema.Items.Add(elementCat) elementCat.Name = "cat" elementCat.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema") ' <xs:element name="dog" type="string"/> Dim elementDog As New XmlSchemaElement() schema.Items.Add(elementDog) elementDog.Name = "dog" elementDog.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema") ' <xs:element name="redDog" substitutionGroup="dog" /> Dim elementRedDog As New XmlSchemaElement() schema.Items.Add(elementRedDog) elementRedDog.Name = "redDog" elementRedDog.SubstitutionGroup = New XmlQualifiedName("dog") ' <xs:element name="brownDog" substitutionGroup ="dog" /> Dim elementBrownDog As New XmlSchemaElement() schema.Items.Add(elementBrownDog) elementBrownDog.Name = "brownDog" elementBrownDog.SubstitutionGroup = New XmlQualifiedName("dog") ' <xs:element name="pets"> Dim elementPets As New XmlSchemaElement() schema.Items.Add(elementPets) elementPets.Name = "pets" ' <xs:complexType> Dim complexType As New XmlSchemaComplexType() elementPets.SchemaType = complexType ' <xs:choice minOccurs="0" maxOccurs="unbounded"> Dim choice As New XmlSchemaChoice() complexType.Particle = choice choice.MinOccurs = 0 choice.MaxOccursString = "unbounded" ' <xs:element ref="cat"/> Dim catRef As New XmlSchemaElement() choice.Items.Add(catRef) catRef.RefName = New XmlQualifiedName("cat") ' <xs:element ref="dog"/> Dim dogRef As New XmlSchemaElement() choice.Items.Add(dogRef) dogRef.RefName = New XmlQualifiedName("dog") Dim schemaSet As New XmlSchemaSet() AddHandler schemaSet.ValidationEventHandler, AddressOf ValidationCallbackOne schemaSet.Add(schema) schemaSet.Compile() Dim compiledSchema As XmlSchema = Nothing For Each schema1 As XmlSchema In schemaSet.Schemas() compiledSchema = schema1 Next Dim nsmgr As New XmlNamespaceManager(New NameTable()) nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema") compiledSchema.Write(Console.Out, nsmgr) End Sub Public Shared Sub ValidationCallbackOne(ByVal sender As Object, ByVal args As ValidationEventArgs) Console.WriteLine(args.Message) End Sub End Class
The following XML file is used for the preceding code example.
<?xml version="1.0" encoding="IBM437"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="cat" type="xs:string"/> <xs:element name="dog" type="xs:string"/> <xs:element name="redDog" substitutionGroup="dog" /> <xs:element name="brownDog" substitutionGroup ="dog" /> <xs:element name="pets"> <xs:complexType> <xs:choice minOccurs="0" maxOccurs="unbounded"> <xs:element ref="cat"/> <xs:element ref="dog"/> </xs:choice> </xs:complexType> </xs:element> </xs:schema>
System.Object
System.Xml.Schema.XmlSchemaObject
System.Xml.Schema.XmlSchemaAnnotated
System.Xml.Schema.XmlSchemaParticle
System.Xml.Schema.XmlSchemaElement
System.Xml.Schema.XmlSchemaObject
System.Xml.Schema.XmlSchemaAnnotated
System.Xml.Schema.XmlSchemaParticle
System.Xml.Schema.XmlSchemaElement
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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