XmlSchemaMinLengthFacet Class

Reference

Definition

Namespace:: System.Xml.Schema

Assembly:: System.Xml.ReaderWriter.dll

Assembly:: System.Xml.dll

Assembly:: netstandard.dll

Source:: XmlSchemaFacet.cs

Source:: XmlSchemaFacet.cs

Source:: XmlSchemaFacet.cs

Important

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Represents the minLength element from XML Schema as specified by the World Wide Web Consortium (W3C). This class can be used to specify a restriction on the minimum length of the data value of a simpleType element. The length must be greater than the value of the minLength element.

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

Inheritance: Object

XmlSchemaObject

XmlSchemaAnnotated

XmlSchemaFacet

XmlSchemaNumericFacet
XmlSchemaMinLengthFacet

Examples

The following example shows the use of the XmlSchemaMinLengthFacet class.

#using <System.Xml.dll>

using namespace System;
using namespace System::Xml;
using namespace System::Xml::Schema;

ref class XMLSchemaExamples
{
private:
    static void ValidationCallbackOne(Object^ sender, ValidationEventArgs^ args)
    {
        Console::WriteLine(args->Message);
    }

public:
    static void Main()
    {

        XmlSchema^ schema = gcnew XmlSchema();

        // <xs:simpleType name="ZipCodeType">
        XmlSchemaSimpleType^ ZipCodeType = gcnew XmlSchemaSimpleType();
        ZipCodeType->Name = "ZipCodeType";

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

        // <xs:minLength value="5"/>
        XmlSchemaMinLengthFacet^ minLength = gcnew XmlSchemaMinLengthFacet();
        minLength->Value = "5";
        restriction->Facets->Add(minLength);

        ZipCodeType->Content = restriction;

        schema->Items->Add(ZipCodeType);

        // <xs:element name="Address">
        XmlSchemaElement^ element = gcnew XmlSchemaElement();
        element->Name = "Address";

        // <xs:complexType>
        XmlSchemaComplexType^ complexType = gcnew XmlSchemaComplexType();

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

        element->SchemaType = complexType;

        schema->Items->Add(element);

        XmlSchemaSet^ schemaSet = gcnew XmlSchemaSet();
        schemaSet->ValidationEventHandler += gcnew ValidationEventHandler(ValidationCallbackOne);
        schemaSet->Add(schema);
        schemaSet->Compile();

        XmlSchema^ compiledSchema = nullptr;

        for each (XmlSchema^ schema1 in schemaSet->Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager^ nsmgr = gcnew XmlNamespaceManager(gcnew NameTable());
        nsmgr->AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema->Write(Console::Out, nsmgr);
    }
};

int main()
{
    XMLSchemaExamples::Main();
    return 0;
}

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

The following XML file is generated for this code example.

<?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>

Constructors

XmlSchemaMinLengthFacet()

Initializes a new instance of the XmlSchemaMinLengthFacet class.

Properties

Annotation	Gets or sets the `annotation` property. (Inherited from XmlSchemaAnnotated)
Id	Gets or sets the string id. (Inherited from XmlSchemaAnnotated)
IsFixed	Gets or sets information that indicates that this facet is fixed. (Inherited from XmlSchemaFacet)
LineNumber	Gets or sets the line number in the file to which the `schema` element refers. (Inherited from XmlSchemaObject)
LinePosition	Gets or sets the line position in the file to which the `schema` element refers. (Inherited from XmlSchemaObject)
Namespaces	Gets or sets the XmlSerializerNamespaces to use with this schema object. (Inherited from XmlSchemaObject)
Parent	Gets or sets the parent of this XmlSchemaObject. (Inherited from XmlSchemaObject)
SourceUri	Gets or sets the source location for the file that loaded the schema. (Inherited from XmlSchemaObject)
UnhandledAttributes	Gets or sets the qualified attributes that do not belong to the current schema's target namespace. (Inherited from XmlSchemaAnnotated)
Value	Gets or sets the `value` attribute of the facet. (Inherited from XmlSchemaFacet)

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

Applies to

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