SoapAttributes.SoapElement Eigenschap
Definitie
Belangrijk
Bepaalde informatie heeft betrekking op een voorlopige productversie die aanzienlijk kan worden gewijzigd voordat deze wordt uitgebracht. Microsoft biedt geen enkele expliciete of impliciete garanties met betrekking tot de informatie die hier wordt verstrekt.
Hiermee haalt u een te overschrijven op of stelt u deze SoapElementAttribute in.
public:
property System::Xml::Serialization::SoapElementAttribute ^ SoapElement { System::Xml::Serialization::SoapElementAttribute ^ get(); void set(System::Xml::Serialization::SoapElementAttribute ^ value); };
public System.Xml.Serialization.SoapElementAttribute? SoapElement { get; set; }
public System.Xml.Serialization.SoapElementAttribute SoapElement { get; set; }
member this.SoapElement : System.Xml.Serialization.SoapElementAttribute with get, set
Public Property SoapElement As SoapElementAttribute
Waarde van eigenschap
De SoapElementAttribute te overschrijven.
Voorbeelden
In het volgende voorbeeld wordt een klasse met de naam Transportationserialiseren. De serialisatie van het Vehicle veld wordt overschreven. In de CreateOverrideSerializer methode wordt een SoapAttributeOverrides gemaakt en voor elk overschreven lid of opsomming wordt er een SoapAttributes gemaakt met de juiste eigenschappenset en toegevoegd aan de SoapAttributeOverrides. Er XmlTypeMapping wordt een gemaakt met behulp van de SoapAttributeOverridesen die XmlTypeMapping wordt gebruikt om de XmlSerializer standaardserialisatie te overschrijven.
using System;
using System.IO;
using System.Xml.Serialization;
using System.Collections;
using System.Xml;
using System.Text;
public class Transportation
{
// The SoapElementAttribute specifies that the
// generated XML element name will be "Wheels"
// instead of "Vehicle".
[SoapElement("Wheels")]
public string Vehicle;
[SoapElement(DataType = "dateTime")]
public DateTime CreationDate;
[SoapElement(IsNullable = true)]
public Thing thing;
}
public class Thing{
[SoapElement(IsNullable=true)] public string ThingName;
}
public class Test
{
public static void Main()
{
Test t = new Test();
t.SerializeObject("SoapElementOriginal.xml");
t.SerializeOverride("SoapElementOverride.xml");
Console.WriteLine("Finished writing two XML files.");
}
// Return an XmlSerializer used for overriding.
public XmlSerializer CreateSoapOverrider()
{
// Create the SoapAttributes and SoapAttributeOverrides objects.
SoapAttributes soapAttrs = new SoapAttributes();
SoapAttributeOverrides soapOverrides =
new SoapAttributeOverrides();
/* Create an SoapElementAttribute to override
the Vehicles property. */
SoapElementAttribute soapElement1 =
new SoapElementAttribute("Truck");
// Set the SoapElement to the object.
soapAttrs.SoapElement= soapElement1;
/* Add the SoapAttributes to the SoapAttributeOverrides,
specifying the member to override. */
soapOverrides.Add(typeof(Transportation), "Vehicle", soapAttrs);
// Create the XmlSerializer, and return it.
XmlTypeMapping myTypeMapping = (new SoapReflectionImporter
(soapOverrides)).ImportTypeMapping(typeof(Transportation));
return new XmlSerializer(myTypeMapping);
}
public void SerializeOverride(string filename)
{
// Create an XmlSerializer instance.
XmlSerializer ser = CreateSoapOverrider();
// Create the object and serialize it.
Transportation myTransportation =
new Transportation();
myTransportation.Vehicle = "MyCar";
myTransportation.CreationDate=DateTime.Now;
myTransportation.thing = new Thing();
XmlTextWriter writer =
new XmlTextWriter(filename, Encoding.UTF8);
writer.Formatting = Formatting.Indented;
writer.WriteStartElement("wrapper");
ser.Serialize(writer, myTransportation);
writer.WriteEndElement();
writer.Close();
}
public void SerializeObject(string filename){
// Create an XmlSerializer instance.
XmlSerializer ser = new XmlSerializer(typeof(Transportation));
Transportation myTransportation =
new Transportation();
myTransportation.Vehicle = "MyCar";
myTransportation.CreationDate = DateTime.Now;
myTransportation.thing = new Thing();
XmlTextWriter writer =
new XmlTextWriter(filename, Encoding.UTF8);
writer.Formatting = Formatting.Indented;
writer.WriteStartElement("wrapper");
ser.Serialize(writer, myTransportation);
writer.WriteEndElement();
writer.Close();
}
}
Imports System.IO
Imports System.Xml.Serialization
Imports System.Collections
Imports System.Xml
Imports System.Text
Public Class Transportation
' The SoapElementAttribute specifies that the
' generated XML element name will be "Wheels"
' instead of "Vehicle".
<SoapElement("Wheels")> Public Vehicle As String
<SoapElement(DataType:= "dateTime")> _
public CreationDate As DateTime
<SoapElement(IsNullable:= true)> _
public thing As Thing
End Class
Public Class Thing
<SoapElement(IsNullable:=true)> public ThingName As string
End Class
Public Class Test
Shared Sub Main()
Dim t As Test = New Test()
t.SerializeObject("SoapElementOriginalVb.xml")
t.SerializeOverride("SoapElementOverrideVb.xml")
Console.WriteLine("Finished writing two XML files.")
End Sub
' Return an XmlSerializer used for overriding.
Public Function CreateSoapOverrider() As XmlSerializer
' Create the SoapAttributes and SoapAttributeOverrides objects.
Dim soapAttrs As SoapAttributes = New SoapAttributes()
Dim soapOverrides As SoapAttributeOverrides = _
New SoapAttributeOverrides()
' Create a SoapElementAttribute to override
' the Vehicles property.
Dim soapElement1 As SoapElementAttribute = _
New SoapElementAttribute("Truck")
' Set the SoapElement to the object.
soapAttrs.SoapElement= soapElement1
' Add the SoapAttributes to the SoapAttributeOverrides,
' specifying the member to override.
soapOverrides.Add(GetType(Transportation), "Vehicle", soapAttrs)
' Create the XmlSerializer, and return it.
Dim myTypeMapping As XmlTypeMapping = (New _
SoapReflectionImporter (soapOverrides)).ImportTypeMapping _
(GetType(Transportation))
return New XmlSerializer(myTypeMapping)
End Function
Public Sub SerializeOverride(filename As String)
' Create an XmlSerializer instance.
Dim ser As XmlSerializer = CreateSoapOverrider()
' Create the object and serialize it.
Dim myTransportation As Transportation = _
New Transportation()
myTransportation.Vehicle = "MyCar"
myTransportation.CreationDate = DateTime.Now
myTransportation.thing= new Thing()
Dim writer As XmlTextWriter = _
New XmlTextWriter(filename, Encoding.UTF8)
writer.Formatting = Formatting.Indented
writer.WriteStartElement("wrapper")
ser.Serialize(writer, myTransportation)
writer.WriteEndElement()
writer.Close()
End Sub
Public Sub SerializeObject(filename As String)
' Create an XmlSerializer instance.
Dim ser As XmlSerializer = _
New XmlSerializer(GetType(Transportation))
Dim myTransportation As Transportation = _
New Transportation()
myTransportation.Vehicle = "MyCar"
myTransportation.CreationDate=DateTime.Now
myTransportation.thing= new Thing()
Dim writer As XmlTextWriter = _
new XmlTextWriter(filename, Encoding.UTF8)
writer.Formatting = Formatting.Indented
writer.WriteStartElement("wrapper")
ser.Serialize(writer, myTransportation)
writer.WriteEndElement()
writer.Close()
End Sub
End Class
Opmerkingen
Het SoapElementAttribute wordt gebruikt om de serialisatie van een klasselid te beheren als een XML-element. Stel de SoapElement eigenschap in op een nieuwe SoapElementAttribute om de serialisatie van een klasselid te overschrijven als een XML-element door een nieuw SoapElementAttribute element te maken en toe te wijzen aan de eigenschap. Voeg vervolgens de SoapAttributes aan een SoapAttributeOverrides. Maak een XmlTypeMapping met de SoapAttributeOverridesen bouw vervolgens een XmlSerializer met de XmlTypeMapping.
Zie het SoapAttributeOverrides klasoverzicht voor meer informatie.