XmlSchemaInclude Klass

Definition

public ref class XmlSchemaInclude : System::Xml::Schema::XmlSchemaExternal

public class XmlSchemaInclude : System.Xml.Schema.XmlSchemaExternal

type XmlSchemaInclude = class
    inherit XmlSchemaExternal

Public Class XmlSchemaInclude
Inherits XmlSchemaExternal

Arv

Object

XmlSchemaObject

XmlSchemaExternal

XmlSchemaInclude

Exempel

I följande exempel skapas elementet include .

using System;
using System.Collections;
using System.IO;
using System.Xml;
using System.Xml.Xsl;
using System.Xml.Schema;

public class ImportIncludeSample
{

    private static void ValidationCallBack(object sender, ValidationEventArgs args)
    {

        if (args.Severity == XmlSeverityType.Warning)
            Console.Write("WARNING: ");
        else if (args.Severity == XmlSeverityType.Error)
            Console.Write("ERROR: ");

        Console.WriteLine(args.Message);
    }

    public static void Main()
    {

        XmlSchema schema = new XmlSchema();
        schema.ElementFormDefault = XmlSchemaForm.Qualified;
        schema.TargetNamespace = "http://www.w3.org/2001/05/XMLInfoset";

        // <xs:import namespace="http://www.example.com/IPO" />
        XmlSchemaImport import = new XmlSchemaImport();
        import.Namespace = "http://www.example.com/IPO";
        schema.Includes.Add(import);

        // <xs:include schemaLocation="example.xsd" />
        XmlSchemaInclude include = new XmlSchemaInclude();
        include.SchemaLocation = "example.xsd";
        schema.Includes.Add(include);

        XmlSchemaSet schemaSet = new XmlSchemaSet();
        schemaSet.ValidationEventHandler += new ValidationEventHandler(ValidationCallBack);
        schemaSet.Add(schema);
        schemaSet.Compile();

        XmlSchema compiledSchema = null;

        foreach (XmlSchema schema1 in schemaSet.Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema.Write(Console.Out, nsmgr);
    }/* Main() */
} //ImportIncludeSample

Imports System.Collections
Imports System.IO
Imports System.Xml
Imports System.Xml.Xsl
Imports System.Xml.Schema


Public Class ImportIncludeSample

    Private Shared Sub ValidationCallBack(ByVal sender As Object, ByVal args As ValidationEventArgs)

        If args.Severity = XmlSeverityType.Warning Then
            Console.Write("WARNING: ")
        Else
            If args.Severity = XmlSeverityType.Error Then
                Console.Write("ERROR: ")
            End If
        End If
        Console.WriteLine(args.Message)
    End Sub


    Public Shared Sub Main()

        Dim schema As New XmlSchema()
        schema.ElementFormDefault = XmlSchemaForm.Qualified
        schema.TargetNamespace = "http://www.w3.org/2001/05/XMLInfoset"

        ' <xs:import namespace="http://www.example.com/IPO" />             
        Dim import As New XmlSchemaImport()
        import.Namespace = "http://www.example.com/IPO"
        schema.Includes.Add(import)

        ' <xs:include schemaLocation="example.xsd" />     
        Dim include As New XmlSchemaInclude()
        include.SchemaLocation = "example.xsd"
        schema.Includes.Add(include)

        Dim schemaSet As New XmlSchemaSet()
        AddHandler schemaSet.ValidationEventHandler, AddressOf ValidationCallBack

        schemaSet.Add(schema)
        schemaSet.Compile()

        Dim compiledSchema As XmlSchema = Nothing

        For Each schema1 As XmlSchema In schemaSet.Schemas()
            compiledSchema = schema1
        Next

        Dim nsmgr As XmlNamespaceManager = New XmlNamespaceManager(New NameTable())
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema")
        compiledSchema.Write(Console.Out, nsmgr)

    End Sub
End Class

'ImportIncludeSample

Följande XML genereras för det här kodexemplet.

<?xml version="1.0" encoding="IBM437"?>
<schema elementFormDefault="qualified" targetNamespace="http://www.w3.org/2001/05/XMLInfoset" xmlns="http://www.w3.org/2001/XMLSchema">
  <import namespace="http://www.example.com/IPO" />
  <include schemaLocation="example.xsd" />
</schema>

Kommentarer

Det inkluderade schemadokumentet måste uppfylla något av följande villkor:

Det inkluderade schemat måste ha samma målnamnområde som det innehållande schemadokumentet.

ELLER

Det inkluderade schemat kan inte ha ett angivet targetNamespace. targetNamespace Attributet måste vara null.

XmlSchemaInclude lägger till alla schemakomponenter från inkluderade scheman som har samma målnamnområde (eller inget angivet målnamnområde) i det innehållande schemat.