XmlSchemaMinLengthFacet Classe

Definição

Namespace:
System.Xml.Schema
Assemblies:
netstandard.dll, System.Xml.ReaderWriter.dll
Assembly:
System.Xml.ReaderWriter.dll
Assembly:
System.Xml.dll
Assembly:
netstandard.dll
Origem:
XmlSchemaFacet.cs
Origem:
XmlSchemaFacet.cs
Origem:
XmlSchemaFacet.cs
Origem:
XmlSchemaFacet.cs
Origem:
XmlSchemaFacet.cs

Representa o minLength elemento do esquema XML, conforme especificado pelo W3C (World Wide Web Consortium). Essa classe pode ser usada para especificar uma restrição no comprimento mínimo do valor de dados de um simpleType elemento. O comprimento deve ser maior que o valor do minLength elemento.

public ref class XmlSchemaMinLengthFacet : System::Xml::Schema::XmlSchemaNumericFacet
public class XmlSchemaMinLengthFacet : System.Xml.Schema.XmlSchemaNumericFacet
type XmlSchemaMinLengthFacet = class
    inherit XmlSchemaNumericFacet
Public Class XmlSchemaMinLengthFacet
Inherits XmlSchemaNumericFacet
Herança
Object
XmlSchemaObject
XmlSchemaAnnotated
XmlSchemaFacet
XmlSchemaNumericFacet
XmlSchemaMinLengthFacet

Exemplos

O exemplo a seguir mostra o uso da XmlSchemaMinLengthFacet classe.

using System;
using System.Xml;
using System.Xml.Schema;

class XMLSchemaExamples
{
    public static void Main()
    {

        XmlSchema schema = new XmlSchema();

        // <xs:simpleType name="ZipCodeType">
        XmlSchemaSimpleType ZipCodeType = new XmlSchemaSimpleType();
        ZipCodeType.Name = "ZipCodeType";

        // <xs:restriction base="xs:string">
        XmlSchemaSimpleTypeRestriction restriction = new XmlSchemaSimpleTypeRestriction();
        restriction.BaseTypeName = new XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:minLength value="5"/>
        XmlSchemaMinLengthFacet minLength = new XmlSchemaMinLengthFacet();
        minLength.Value = "5";
        restriction.Facets.Add(minLength);

        ZipCodeType.Content = restriction;

        schema.Items.Add(ZipCodeType);

        // <xs:element name="Address">
        XmlSchemaElement element = new XmlSchemaElement();
        element.Name = "Address";

        // <xs:complexType>
        XmlSchemaComplexType complexType = new XmlSchemaComplexType();

        // <xs:attribute name="ZipCode" type="ZipCodeType"/>
        XmlSchemaAttribute ZipCodeAttribute = new XmlSchemaAttribute();
        ZipCodeAttribute.Name = "ZipCode";
        ZipCodeAttribute.SchemaTypeName = new XmlQualifiedName("ZipCodeType", "");
        complexType.Attributes.Add(ZipCodeAttribute);

        element.SchemaType = complexType;

        schema.Items.Add(element);

        XmlSchemaSet schemaSet = new XmlSchemaSet();
        schemaSet.ValidationEventHandler += new ValidationEventHandler(ValidationCallbackOne);
        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);
    }

    public static void ValidationCallbackOne(object sender, ValidationEventArgs args)
    {
        Console.WriteLine(args.Message);
    }
}

Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples
    Public Shared Sub Main()

        Dim schema As New XmlSchema()

        ' <xs:simpleType name="ZipCodeType">
        Dim ZipCodeType As New XmlSchemaSimpleType()
        ZipCodeType.Name = "ZipCodeType"

        ' <xs:restriction base="xs:string">
        Dim restriction As New XmlSchemaSimpleTypeRestriction()
        restriction.BaseTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")

        ' <xs:minLength value="5"/>
        Dim minLength As New XmlSchemaMinLengthFacet()
        minLength.Value = "5"
        restriction.Facets.Add(minLength)

        ZipCodeType.Content = restriction

        schema.Items.Add(ZipCodeType)

        ' <xs:element name="Address">
        Dim element As New XmlSchemaElement()
        element.Name = "Address"

        ' <xs:complexType>
        Dim complexType As New XmlSchemaComplexType()

        ' <xs:attribute name="ZipCode" type="ZipCodeType"/>
        Dim ZipCodeAttribute As New XmlSchemaAttribute()
        ZipCodeAttribute.Name = "ZipCode"
        ZipCodeAttribute.SchemaTypeName = New XmlQualifiedName("ZipCodeType", "")
        complexType.Attributes.Add(ZipCodeAttribute)

        element.SchemaType = complexType

        schema.Items.Add(element)

        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

O arquivo XML a seguir é gerado para este exemplo de código.

<?xml version="1.0" encoding="IBM437"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

    <xs:simpleType name="ZipCodeType">
        <xs:restriction base="xs:string">
            <xs:minLength value="5"/>
        </xs:restriction>
    </xs:simpleType>

    <xs:element name="Address">
        <xs:complexType>
            <xs:attribute name="ZipCode" type="ZipCodeType"/>
        </xs:complexType>
    </xs:element>
</xs:schema>

Construtores

Nome Description
XmlSchemaMinLengthFacet()

Inicializa uma nova instância da classe XmlSchemaMinLengthFacet.

Propriedades

Nome Description
Annotation

Obtém ou define a annotation propriedade.

(Herdado de XmlSchemaAnnotated)
Id

Obtém ou define a ID da cadeia de caracteres.

(Herdado de XmlSchemaAnnotated)
IsFixed

Obtém ou define informações que indicam que essa faceta foi corrigida.

(Herdado de XmlSchemaFacet)
LineNumber

Obtém ou define o número de linha no arquivo ao qual o schema elemento se refere.

(Herdado de XmlSchemaObject)
LinePosition

Obtém ou define a posição da linha no arquivo ao qual o schema elemento se refere.

(Herdado de XmlSchemaObject)
Namespaces

Obtém ou define o XmlSerializerNamespaces que usar com esse objeto de esquema.

(Herdado de XmlSchemaObject)
Parent

Obtém ou define o pai deste XmlSchemaObject.

(Herdado de XmlSchemaObject)
SourceUri

Obtém ou define o local de origem do arquivo que carregou o esquema.

(Herdado de XmlSchemaObject)
UnhandledAttributes

Obtém ou define os atributos qualificados que não pertencem ao namespace de destino do esquema atual.

(Herdado de XmlSchemaAnnotated)
Value

Obtém ou define o value atributo da faceta.

(Herdado de XmlSchemaFacet)

Métodos

Nome Description
Equals(Object)

Determina se o objeto especificado é igual ao objeto atual.

(Herdado de Object)
GetHashCode()

Serve como a função de hash padrão.

(Herdado de Object)
GetType()

Obtém o Type da instância atual.

(Herdado de Object)
MemberwiseClone()

Cria uma cópia superficial do Objectatual.

(Herdado de Object)
ToString()

Retorna uma cadeia de caracteres que representa o objeto atual.

(Herdado de Object)

Aplica-se a