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XmlSchemaEnumerationFacet Class
.NET Framework 3.0
Represents the enumeration facet from XML Schema as specified by the . This class specifies a list of valid values for a simpleType element. Declaration is contained within a restriction declaration.
Namespace: System.Xml.Schema
Assembly: System.Xml (in system.xml.dll)
Assembly: System.Xml (in system.xml.dll)
The following example shows the use of the XmlSchemaEnumerationFacet class.
Option Strict On Option Explicit On Imports System Imports System.Xml Imports System.Xml.Schema Class XMLSchemaExamples Public Shared Sub Main() Dim schema As New XmlSchema() ' <xs:simpleType name="SizeType"> Dim SizeType As New XmlSchemaSimpleType() SizeType.Name = "SizeType" ' <xs:restriction base="xs:string"> Dim restriction As New XmlSchemaSimpleTypeRestriction() restriction.BaseTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema") ' <xs:enumeration value="Small"/> Dim enumerationSmall As New XmlSchemaEnumerationFacet() enumerationSmall.Value = "Small" restriction.Facets.Add(enumerationSmall) ' <xs:enumeration value="Medium"/> Dim enumerationMedium As New XmlSchemaEnumerationFacet() enumerationMedium.Value = "Medium" restriction.Facets.Add(enumerationMedium) ' <xs:enumeration value="Large"/> Dim enumerationLarge As New XmlSchemaEnumerationFacet() enumerationLarge.Value = "Large" restriction.Facets.Add(enumerationLarge) SizeType.Content = restriction schema.Items.Add(SizeType) ' <xs:element name="Item"> Dim elementItem As New XmlSchemaElement() elementItem.Name = "Item" ' <xs:complexType> Dim complexType As New XmlSchemaComplexType() ' <xs:attribute name="Size" type="SizeType"/> Dim attributeSize As New XmlSchemaAttribute() attributeSize.Name = "Size" attributeSize.SchemaTypeName = New XmlQualifiedName("SizeType", "") complexType.Attributes.Add(attributeSize) elementItem.SchemaType = complexType schema.Items.Add(elementItem) 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 'Main Public Shared Sub ValidationCallbackOne(ByVal sender As Object, ByVal args As ValidationEventArgs) Console.WriteLine(args.Message) End Sub 'ValidationCallbackOne End Class 'XMLSchemaExamples
The following XML file is generated for the preceding code example.
<?xml version="1.0" encoding="IBM437"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:simpleType name="SizeType">
<xs:restriction base="xs:string">
<xs:enumeration value="Small" />
<xs:enumeration value="Medium" />
<xs:enumeration value="Large" />
</xs:restriction>
</xs:simpleType>
<xs:element name="Item">
<xs:complexType>
<xs:attribute name="Size" type="SizeType" />
</xs:complexType>
</xs:element>
</xs:schema>
System.Object
System.Xml.Schema.XmlSchemaObject
System.Xml.Schema.XmlSchemaAnnotated
System.Xml.Schema.XmlSchemaFacet
System.Xml.Schema.XmlSchemaEnumerationFacet
System.Xml.Schema.XmlSchemaObject
System.Xml.Schema.XmlSchemaAnnotated
System.Xml.Schema.XmlSchemaFacet
System.Xml.Schema.XmlSchemaEnumerationFacet
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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