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XmlSchemaEnumerationFacet Class

 

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.

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

System::Object
  System.Xml.Schema::XmlSchemaObject
    System.Xml.Schema::XmlSchemaAnnotated
      System.Xml.Schema::XmlSchemaFacet
        System.Xml.Schema::XmlSchemaEnumerationFacet

public ref class XmlSchemaEnumerationFacet : XmlSchemaFacet

NameDescription
System_CAPS_pubmethodXmlSchemaEnumerationFacet()

Initializes a new instance of the XmlSchemaEnumerationFacet class.

NameDescription
System_CAPS_pubpropertyAnnotation

Gets or sets the annotation property.(Inherited from XmlSchemaAnnotated.)

System_CAPS_pubpropertyId

Gets or sets the string id.(Inherited from XmlSchemaAnnotated.)

System_CAPS_pubpropertyIsFixed

Gets or sets information that indicates that this facet is fixed.(Inherited from XmlSchemaFacet.)

System_CAPS_pubpropertyLineNumber

Gets or sets the line number in the file to which the schema element refers.(Inherited from XmlSchemaObject.)

System_CAPS_pubpropertyLinePosition

Gets or sets the line position in the file to which the schema element refers.(Inherited from XmlSchemaObject.)

System_CAPS_pubpropertyNamespaces

Gets or sets the XmlSerializerNamespaces to use with this schema object.(Inherited from XmlSchemaObject.)

System_CAPS_pubpropertyParent

Gets or sets the parent of this XmlSchemaObject.(Inherited from XmlSchemaObject.)

System_CAPS_pubpropertySourceUri

Gets or sets the source location for the file that loaded the schema.(Inherited from XmlSchemaObject.)

System_CAPS_pubpropertyUnhandledAttributes

Gets or sets the qualified attributes that do not belong to the current schema's target namespace.(Inherited from XmlSchemaAnnotated.)

System_CAPS_pubpropertyValue

Gets or sets the value attribute of the facet.(Inherited from XmlSchemaFacet.)

NameDescription
System_CAPS_pubmethodEquals(Object^)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_protmethodFinalize()

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_protmethodMemberwiseClone()

Creates a shallow copy of the current Object.(Inherited from Object.)

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

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;
};

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>

.NET Framework
Available since 1.1

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

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