XmlElementAttribute.Type プロパティ
アセンブリ: System.Xml (system.xml.dll 内)

メンバの Type。

Type プロパティを使用して、フィールドまたはプロパティの派生型を指定します。
フィールドまたはプロパティが ArrayList を返す場合は、そのメンバに XmlElementAttribute の複数のインスタンスを適用できます。各インスタンスの Type プロパティに、配列に挿入できるオブジェクトの型を設定します。

Type プロパティを使用して XmlElementAttribute の派生オブジェクトを指定する例を次に示します。また、この例では、ArrayList を返すフィールドに XmlElementAttribute の 3 つのインスタンスも適用します。各インスタンスは、フィールドで使用できる型を指定します。
Imports System Imports System.Collections Imports System.IO Imports System.Xml Imports System.Xml.Serialization Public Class Group <XmlElement(GetType(Manager))> _ Public Staff() As Employee <XmlElement(GetType(Integer)), _ XmlElement(GetType(String)), _ XmlElement(GetType(DateTime))> _ Public ExtraInfo As ArrayList End Class Public Class Employee Public Name As String End Class Public Class Manager Inherits Employee Public Level As Integer End Class Public Class Run Public Shared Sub Main() Dim test As New Run() test.SerializeObject("TypeEx.xml") End Sub Public Sub SerializeObject(filename As String) ' Create an XmlSerializer instance. Dim xSer As New XmlSerializer(GetType(Group)) ' Create an object and serialize it. Dim myGroup As New Group() Dim e1 As New Manager() e1.Name = "Manager1" Dim m1 As New Manager() m1.Name = "Manager2" m1.Level = 4 Dim emps() As Employee = {e1, m1} myGroup.Staff = emps myGroup.ExtraInfo = New ArrayList() myGroup.ExtraInfo.Add(".NET") myGroup.ExtraInfo.Add(42) myGroup.ExtraInfo.Add(New DateTime(2001, 1, 1)) Dim writer As New StreamWriter(filename) xSer.Serialize(writer, myGroup) writer.Close() End Sub End Class
using System; using System.Collections; using System.IO; using System.Xml; using System.Xml.Serialization; public class Group { [XmlElement(typeof(Manager))] public Employee [] Staff; [XmlElement (typeof(int)), XmlElement (typeof(string)), XmlElement (typeof(DateTime))] public ArrayList ExtraInfo; } public class Employee { public string Name; } public class Manager:Employee { public int Level; } public class Run { public static void Main() { Run test = new Run(); test.SerializeObject("TypeEx.xml"); } public void SerializeObject(string filename) { // Create an XmlSerializer instance. XmlSerializer xSer = new XmlSerializer(typeof(Group)); // Create object and serialize it. Group myGroup = new Group(); Manager e1 = new Manager(); e1.Name = "Manager1"; Manager m1 = new Manager(); m1.Name = "Manager2"; m1.Level = 4; Employee[] emps = {e1, m1}; myGroup.Staff = emps; myGroup.ExtraInfo = new ArrayList(); myGroup.ExtraInfo.Add(".NET"); myGroup.ExtraInfo.Add(42); myGroup.ExtraInfo.Add(new DateTime(2001,1,1)); TextWriter writer = new StreamWriter(filename); xSer.Serialize(writer, myGroup); writer.Close(); } }
#using <System.Xml.dll> #using <System.dll> using namespace System; using namespace System::Collections; using namespace System::IO; using namespace System::Xml; using namespace System::Xml::Serialization; public ref class Employee { public: String^ Name; }; public ref class Manager: public Employee { public: int Level; }; public ref class Group { public: [XmlElement(Manager::typeid)] array<Employee^>^Staff; [XmlElement(Int32::typeid), XmlElement(String::typeid), XmlElement(DateTime::typeid)] ArrayList^ ExtraInfo; }; void SerializeObject( String^ filename ) { // Create an XmlSerializer instance. XmlSerializer^ xSer = gcnew XmlSerializer( Group::typeid ); // Create object and serialize it. Group^ myGroup = gcnew Group; Manager^ e1 = gcnew Manager; e1->Name = "Manager1"; Manager^ m1 = gcnew Manager; m1->Name = "Manager2"; m1->Level = 4; array<Employee^>^emps = {e1,m1}; myGroup->Staff = emps; myGroup->ExtraInfo = gcnew ArrayList; myGroup->ExtraInfo->Add( ".NET" ); myGroup->ExtraInfo->Add( 42 ); myGroup->ExtraInfo->Add( DateTime(2001,1,1) ); TextWriter^ writer = gcnew StreamWriter( filename ); xSer->Serialize( writer, myGroup ); writer->Close(); } int main() { SerializeObject( "TypeEx.xml" ); }
import System.*; import System.Collections.*; import System.IO.*; import System.Xml.*; import System.Xml.Serialization.*; public class Group { /** @attribute XmlElement(Manager.class) */ public Employee staff[]; /** @attribute XmlElement(int.class) * @attribute XmlElement(String.class) * @attribute XmlElement(DateTime.class) */ public ArrayList extraInfo; } //Group public class Employee { public String name; } //Employee public class Manager extends Employee { public int level; } //Manager public class Run { public static void main(String[] args) { Run test = new Run(); test.SerializeObject("TypeEx.xml"); } //main public void SerializeObject(String fileName) { // Create an XmlSerializer instance. XmlSerializer xSer = new XmlSerializer(Group.class.ToType()); // Create object and serialize it. Group myGroup = new Group(); Manager e1 = new Manager(); e1.name = "Manager1"; Manager m1 = new Manager(); m1.name = "Manager2"; m1.level = 4; Employee emps[] = { e1, m1 }; myGroup.staff = emps; myGroup.extraInfo = new ArrayList(); myGroup.extraInfo.Add(".NET"); myGroup.extraInfo.Add((Int32)42); myGroup.extraInfo.Add(new DateTime(2001, 1, 1)); TextWriter writer = new StreamWriter(fileName); xSer.Serialize(writer, myGroup); writer.Close(); } //SerializeObject } //Run

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