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XmlSchemaAll Class

Represents the World Wide Web Consortium (W3C) all element (compositor).

Namespace:  System.Xml.Schema
Assembly:  System.Xml (in System.Xml.dll)

'Declaration
Public Class XmlSchemaAll _
	Inherits XmlSchemaGroupBase
'Usage
Dim instance As XmlSchemaAll

The XmlSchemaAll class permits the elements in the group to appear (or not appear) in any order in the containing element.

The following example creates an all element.

Option Strict On
Option Explicit On

Imports System
Imports System.Xml
Imports System.Xml.Schema

Public Class Sample

    Public Shared Sub Main()
        Dim schema As New XmlSchema()

        Dim thing1 As New XmlSchemaElement()
        thing1.Name = "thing1"
        thing1.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")
        schema.Items.Add(thing1)

        Dim thing2 As New XmlSchemaElement()
        thing2.Name = "thing2"
        thing2.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")
        schema.Items.Add(thing2)

        Dim thing3 As New XmlSchemaElement()
        thing3.Name = "thing3"
        thing3.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")
        schema.Items.Add(thing3)

        Dim thing4 As New XmlSchemaElement()
        thing4.Name = "thing4"
        thing4.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")
        schema.Items.Add(thing4)

        Dim myAttribute As New XmlSchemaAttribute()
        myAttribute.Name = "myAttribute"
        myAttribute.SchemaTypeName = New XmlQualifiedName("decimal", "http://www.w3.org/2001/XMLSchema")
        schema.Items.Add(myAttribute)

        Dim myComplexType As New XmlSchemaComplexType()
        myComplexType.Name = "myComplexType" 

        Dim complexType_all As New XmlSchemaAll()

        Dim complexType_all_thing1 As New XmlSchemaElement()
        complexType_all_thing1.RefName = New XmlQualifiedName("thing1", "")
        complexType_all.Items.Add(complexType_all_thing1)

        Dim complexType_all_thing2 As New XmlSchemaElement()
        complexType_all_thing2.RefName = New XmlQualifiedName("thing2", "")
        complexType_all.Items.Add(complexType_all_thing2)

        Dim complexType_all_thing3 As New XmlSchemaElement()
        complexType_all_thing3.RefName = New XmlQualifiedName("thing3", "")
        complexType_all.Items.Add(complexType_all_thing3)

        Dim complexType_all_thing4 As New XmlSchemaElement()
        complexType_all_thing4.RefName = New XmlQualifiedName("thing4", "")
        complexType_all.Items.Add(complexType_all_thing4)

        myComplexType.Particle = complexType_all

        Dim complexType_myAttribute As New XmlSchemaAttribute()
        complexType_myAttribute.RefName = New XmlQualifiedName("myAttribute", "")
        myComplexType.Attributes.Add(complexType_myAttribute)

        schema.Items.Add(myComplexType)

        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


    Private Shared Sub ValidationCallbackOne(ByVal sender As Object, ByVal args As ValidationEventArgs)
        Console.WriteLine(args.Message)
    End Sub 'ValidationCallbackOne
End Class 'Sample 

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:element name="thing1" type="xs:string"/>
  <xs:element name="thing2" type="xs:string"/>
  <xs:element name="thing3" type="xs:string"/>
  <xs:element name="thing4" type="xs:string"/>
  <xs:attribute name="myAttribute" type="xs:decimal"/>
  <xs:complexType name="myComplexType">
    <xs:all>
      <xs:element ref="thing1" />
      <xs:element ref="thing2" />
      <xs:element ref="thing3" />
      <xs:element ref="thing4" />
    </xs:all>
      <xs:attribute ref="myAttribute"/>
  </xs:complexType>
</xs:schema>

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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