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XmlSchemaFractionDigitsFacet Class

Specifies a restriction on the number of digits that can be entered for the fraction value of a simpleType element. The value of fractionDigits must be a positive integer. Represents the World Wide Web Consortium (W3C) fractionDigits facet.

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

'Declaration
Public Class XmlSchemaFractionDigitsFacet _
	Inherits XmlSchemaNumericFacet
'Usage
Dim instance As XmlSchemaFractionDigitsFacet

The following example shows the use of the XmlSchemaFractionDigitsFacet class.

Imports System
Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples
    Public Shared Sub Main()

        Dim schema As New XmlSchema()

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

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

        '<xs:totalDigits value="2"/> 
        Dim totalDigits As New XmlSchemaTotalDigitsFacet()
        totalDigits.Value = "2"
        restriction.Facets.Add(totalDigits)

        '<xs:fractionDigits value="1"/> 
        Dim fractionDigits As New XmlSchemaFractionDigitsFacet()
        fractionDigits.Value = "1"
        restriction.Facets.Add(fractionDigits)

        RatingType.Content = restriction
        schema.Items.Add(RatingType)

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

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

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

        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 the preceding code example.

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

	<xs:simpleType name="RatingType">
		<xs:restriction base="xs:decimal">
		    <xs:totalDigits value="2"/>
			<xs:fractionDigits value="1"/>
		</xs:restriction>
	</xs:simpleType>

	<xs:element name="movie">
		<xs:complexType>
			<xs:attribute name="rating" type="RatingType"/>
		</xs:complexType>
	</xs:element>

</xs:schema>

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

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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