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XmlSchemaSequence Class
.NET Framework 3.0
Represents the sequence element (compositor) from the XML Schema as specified by the . The sequence requires the elements in the group to appear in the specified sequence within the containing element.
Namespace: System.Xml.Schema
Assembly: System.Xml (in system.xml.dll)
Assembly: System.Xml (in system.xml.dll)
The following example shows the XmlSchemaSequence class.
Option Explicit On Option Strict On Imports System Imports System.Xml Imports System.Xml.Schema Class XMLSchemaExamples Public Shared Sub Main() Dim schema As New XmlSchema() ' <xs:element name="thing1" type="xs:string"/> Dim elementThing1 As New XmlSchemaElement() schema.Items.Add(elementThing1) elementThing1.Name = "thing1" elementThing1.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema") ' <xs:element name="thing2" type="xs:string"/> Dim elementThing2 As New XmlSchemaElement() schema.Items.Add(elementThing2) elementThing2.Name = "thing2" elementThing2.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema") ' <xs:element name="thing3" type="xs:string"/> Dim elementThing3 As New XmlSchemaElement() schema.Items.Add(elementThing3) elementThing3.Name = "thing3" elementThing3.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema") ' <xs:attribute name="myAttribute" type="xs:decimal"/> Dim myAttribute As New XmlSchemaAttribute() schema.Items.Add(myAttribute) myAttribute.Name = "myAttribute" myAttribute.SchemaTypeName = New XmlQualifiedName("decimal", "http://www.w3.org/2001/XMLSchema") ' <xs:group name="myGroupOfThings"> Dim myGroupOfThings As New XmlSchemaGroup() schema.Items.Add(myGroupOfThings) myGroupOfThings.Name = "myGroupOfThings" ' <xs:sequence> Dim sequence As New XmlSchemaSequence() myGroupOfThings.Particle = sequence ' <xs:element ref="thing1"/> Dim elementThing1Ref As New XmlSchemaElement() sequence.Items.Add(elementThing1Ref) elementThing1Ref.RefName = New XmlQualifiedName("thing1") ' <xs:element ref="thing2"/> Dim elementThing2Ref As New XmlSchemaElement() sequence.Items.Add(elementThing2Ref) elementThing2Ref.RefName = New XmlQualifiedName("thing2") ' <xs:element ref="thing3"/> Dim elementThing3Ref As New XmlSchemaElement() sequence.Items.Add(elementThing3Ref) elementThing3Ref.RefName = New XmlQualifiedName("thing3") ' <xs:complexType name="myComplexType"> Dim myComplexType As New XmlSchemaComplexType() schema.Items.Add(myComplexType) myComplexType.Name = "myComplexType" ' <xs:group ref="myGroupOfThings"/> Dim myGroupOfThingsRef As New XmlSchemaGroupRef() myComplexType.Particle = myGroupOfThingsRef myGroupOfThingsRef.RefName = New XmlQualifiedName("myGroupOfThings") ' <xs:attribute ref="myAttribute"/> Dim myAttributeRef As New XmlSchemaAttribute() myComplexType.Attributes.Add(myAttributeRef) myAttributeRef.RefName = New XmlQualifiedName("myAttribute") 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 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="thing1" type="xs:string"/>
<xs:element name="thing2" type="xs:string"/>
<xs:element name="thing3" type="xs:string"/>
<xs:attribute name="myAttribute" type="xs:decimal"/>
<xs:group name="myGroupOfThings">
<xs:sequence>
<xs:element ref="thing1"/>
<xs:element ref="thing2"/>
<xs:element ref="thing3"/>
</xs:sequence>
</xs:group>
<xs:complexType name="myComplexType">
<xs:group ref="myGroupOfThings"/>
<xs:attribute ref="myAttribute"/>
</xs:complexType>
</xs:schema>
System.Object
System.Xml.Schema.XmlSchemaObject
System.Xml.Schema.XmlSchemaAnnotated
System.Xml.Schema.XmlSchemaParticle
System.Xml.Schema.XmlSchemaGroupBase
System.Xml.Schema.XmlSchemaSequence
System.Xml.Schema.XmlSchemaObject
System.Xml.Schema.XmlSchemaAnnotated
System.Xml.Schema.XmlSchemaParticle
System.Xml.Schema.XmlSchemaGroupBase
System.Xml.Schema.XmlSchemaSequence
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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