XmlSchemaEnumerationFacet 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 enumeration facet from XML Schema as specified by the World Wide Web Consortium (W3C). This class specifies a list of valid values for a simpleType element. Declaration is contained within a restriction declaration.

public ref class XmlSchemaEnumerationFacet : System::Xml::Schema::XmlSchemaFacet

public class XmlSchemaEnumerationFacet : System.Xml.Schema.XmlSchemaFacet

type XmlSchemaEnumerationFacet = class
    inherit XmlSchemaFacet

Public Class XmlSchemaEnumerationFacet
Inherits XmlSchemaFacet

Inheritance: Object

XmlSchemaObject

XmlSchemaAnnotated

XmlSchemaFacet
XmlSchemaEnumerationFacet

Examples

The following example shows the use of the XmlSchemaEnumerationFacet class.

#using <mscorlib.dll>
#using <System.Xml.dll>

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

class XmlSchemaExamples
{
public:

    static void Main()
    {
        XmlSchema^ schema = gcnew XmlSchema();

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

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

        // <xs:enumeration value="Small"/>
        XmlSchemaEnumerationFacet^ enumerationSmall = gcnew XmlSchemaEnumerationFacet();
        enumerationSmall->Value = "Small";
        restriction->Facets->Add(enumerationSmall);

        // <xs:enumeration value="Medium"/>
        XmlSchemaEnumerationFacet^ enumerationMedium = gcnew XmlSchemaEnumerationFacet();
        enumerationMedium->Value = "Medium";
        restriction->Facets->Add(enumerationMedium);

        // <xs:enumeration value="Large"/>
        XmlSchemaEnumerationFacet^ enumerationLarge = gcnew XmlSchemaEnumerationFacet();
        enumerationLarge->Value = "Large";
        restriction->Facets->Add(enumerationLarge);

        SizeType->Content = restriction;

        schema->Items->Add(SizeType);

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

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

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

        elementItem->SchemaType = complexType;

        schema->Items->Add(elementItem);

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

        XmlSchema^ compiledSchema;

        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);
    }

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

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="SizeType">
        XmlSchemaSimpleType SizeType = new XmlSchemaSimpleType();
        SizeType.Name = "SizeType";

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

        // <xs:enumeration value="Small"/>
        XmlSchemaEnumerationFacet enumerationSmall = new XmlSchemaEnumerationFacet();
        enumerationSmall.Value = "Small";
        restriction.Facets.Add(enumerationSmall);

        // <xs:enumeration value="Medium"/>
        XmlSchemaEnumerationFacet enumerationMedium = new XmlSchemaEnumerationFacet();
        enumerationMedium.Value = "Medium";
        restriction.Facets.Add(enumerationMedium);

        // <xs:enumeration value="Large"/>
        XmlSchemaEnumerationFacet enumerationLarge = new XmlSchemaEnumerationFacet();
        enumerationLarge.Value = "Large";
        restriction.Facets.Add(enumerationLarge);

        SizeType.Content = restriction;

        schema.Items.Add(SizeType);

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

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

        // <xs:attribute name="Size" type="SizeType"/>
        XmlSchemaAttribute attributeSize = new XmlSchemaAttribute();
        attributeSize.Name = "Size";
        attributeSize.SchemaTypeName = new XmlQualifiedName("SizeType", "");
        complexType.Attributes.Add(attributeSize);

        elementItem.SchemaType = complexType;

        schema.Items.Add(elementItem);

        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);
    }
}

Option Strict On
Option Explicit On

Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples

    Public Shared Sub Main()

        Dim schema As New XmlSchema()

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

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

        ' <xs:enumeration value="Small"/>
        Dim enumerationSmall As New XmlSchemaEnumerationFacet()
        enumerationSmall.Value = "Small"
        restriction.Facets.Add(enumerationSmall)

        ' <xs:enumeration value="Medium"/>
        Dim enumerationMedium As New XmlSchemaEnumerationFacet()
        enumerationMedium.Value = "Medium"
        restriction.Facets.Add(enumerationMedium)

        ' <xs:enumeration value="Large"/>
        Dim enumerationLarge As New XmlSchemaEnumerationFacet()
        enumerationLarge.Value = "Large"
        restriction.Facets.Add(enumerationLarge)

        SizeType.Content = restriction

        schema.Items.Add(SizeType)

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

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

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

        elementItem.SchemaType = complexType

        schema.Items.Add(elementItem)

        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 the preceding code example.


<?xml version="1.0" encoding="IBM437"?>
<xs:schema  xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:simpleType name="SizeType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Small" />
      <xs:enumeration value="Medium" />
      <xs:enumeration value="Large" />
    </xs:restriction>
  </xs:simpleType>
  <xs:element name="Item">
    <xs:complexType>
      <xs:attribute name="Size" type="SizeType" />
    </xs:complexType>
  </xs:element>
</xs:schema>

Constructors

XmlSchemaEnumerationFacet()

Initializes a new instance of the XmlSchemaEnumerationFacet 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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