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

Dim instance As XmlAttributes Dim value As XmlAttributeAttribute value = instance.XmlAttribute instance.XmlAttribute = value
public: property XmlAttributeAttribute^ XmlAttribute { XmlAttributeAttribute^ get (); void set (XmlAttributeAttribute^ value); }
/** @property */ public XmlAttributeAttribute get_XmlAttribute () /** @property */ public void set_XmlAttribute (XmlAttributeAttribute value)
public function get XmlAttribute () : XmlAttributeAttribute public function set XmlAttribute (value : XmlAttributeAttribute)
パブリック フィールドまたは読み書き可能プロパティを XML 属性としてシリアル化する方法を制御する XmlAttributeAttribute。

既定では、パブリック フィールドまたは読み書き可能なパブリック プロパティに属性が適用されないと、パブリック フィールドまたは読み書き可能なパブリック プロパティが XML 要素としてシリアル化されます。また、フィールドまたはプロパティに XmlAttributeAttribute を適用することによって XML 属性を生成するように、XmlSerializer に指示することもできます。
XmlAttribute プロパティによって、既定のシリアル化、およびメンバに XmlAttributeAttribute を適用することによって制御されているシリアル化をオーバーライドできます。これを行うには、XmlAttributeAttribute を作成し、そのプロパティ (AttributeName など) を設定します。新しいオブジェクトを XmlAttributes オブジェクトの XmlAttribute プロパティに代入します。XmlAttributes オブジェクトを XmlAttributeOverrides オブジェクトに追加し、フィールドまたはプロパティを含むオブジェクトの型、およびフィールドまたはプロパティの名前を指定します。最後に、XmlAttributeOverrides オブジェクトを使用して XmlSerializer を作成し、Serialize メソッドまたは Deserialize メソッドを呼び出します。

GroupName という名前のプロパティを含む Group という名前のクラスをシリアル化する例を次に示します。GroupName プロパティは、XML 属性としてシリアル化されています。この例では、XmlAttributeOverrides オブジェクトと XmlAttributes オブジェクトを作成してフィールドの既定のシリアル化をオーバーライドします。この例では、次に XmlAttributeAttribute を作成して該当するプロパティを個別にオーバーライドし、オブジェクトを XmlAttribute プロパティに設定します。XmlAttributes オブジェクトはオーバーライドされた指定メンバの名前で、XmlAttributeOverrides オブジェクトに追加されます。最後に、XmlAttributeOverrides オブジェクトを使用して XmlSerializer を構築し、返します。
Imports System Imports System.IO Imports System.Xml Imports System.Xml.Serialization ' This is the class that will be serialized. Public Class Group ' This is the attribute that will be overridden. <XmlAttribute()> Public GroupName As String Public GroupNumber As Integer End Class Public Class Run Public Shared Sub Main() Dim test As New Run() test.SerializeObject("OverrideAttribute.xml") test.DeserializeObject("OverrideAttribute.xml") End Sub ' Return an XmlSerializer used for overriding. Public Function CreateOverrider() As XmlSerializer ' Create the XmlAttributeOverrides and XmlAttributes objects. Dim xOver As New XmlAttributeOverrides() Dim xAttrs As New XmlAttributes() ' Create an overriding XmlAttributeAttribute set it to ' the XmlAttribute property of the XmlAttributes object. Dim xAttribute As New XmlAttributeAttribute("SplinterName") xAttrs.XmlAttribute = xAttribute ' Add to the XmlAttributeOverrides. Specify the member name. xOver.Add(GetType(Group), "GroupName", xAttrs) ' Create the XmlSerializer and return it. Return New XmlSerializer(GetType(Group), xOver) End Function 'CreateOverrider Public Sub SerializeObject(ByVal filename As String) ' Create an instance of the XmlSerializer class. Dim mySerializer As XmlSerializer = CreateOverrider() ' Writing the file requires a TextWriter. Dim writer As New StreamWriter(filename) ' Create an instance of the class that will be serialized. Dim myGroup As New Group() ' Set the Name property, which will be generated ' as an XML attribute. myGroup.GroupName = ".NET" myGroup.GroupNumber = 1 ' Serialize the class, and close the TextWriter. mySerializer.Serialize(writer, myGroup) writer.Close() End Sub Public Sub DeserializeObject(ByVal filename As String) Dim mySerializer As XmlSerializer = CreateOverrider() Dim fs As New FileStream(filename, FileMode.Open) Dim myGroup As Group = CType(mySerializer.Deserialize(fs), Group) Console.WriteLine(myGroup.GroupName) Console.WriteLine(myGroup.GroupNumber) End Sub End Class
using System; using System.IO; using System.Xml; using System.Xml.Serialization; // This is the class that will be serialized. public class Group { // This is the attribute that will be overridden. [XmlAttribute] public string GroupName; public int GroupNumber; } public class Run { public static void Main() { Run test = new Run(); test.SerializeObject("OverrideAttribute.xml"); test.DeserializeObject("OverrideAttribute.xml"); } // Return an XmlSerializer used for overriding. public XmlSerializer CreateOverrider() { // Create the XmlAttributeOverrides and XmlAttributes objects. XmlAttributeOverrides xOver = new XmlAttributeOverrides(); XmlAttributes xAttrs = new XmlAttributes(); /* Create an overriding XmlAttributeAttribute set it to the XmlAttribute property of the XmlAttributes object.*/ XmlAttributeAttribute xAttribute = new XmlAttributeAttribute("SplinterName"); xAttrs.XmlAttribute = xAttribute; // Add to the XmlAttributeOverrides. Specify the member name. xOver.Add(typeof(Group), "GroupName", xAttrs); // Create the XmlSerializer and return it. return new XmlSerializer(typeof(Group), xOver); } public void SerializeObject(string filename) { // Create an instance of the XmlSerializer class. XmlSerializer mySerializer = CreateOverrider(); // Writing the file requires a TextWriter. TextWriter writer = new StreamWriter(filename); // Create an instance of the class that will be serialized. Group myGroup = new Group(); /* Set the Name property, which will be generated as an XML attribute. */ myGroup.GroupName = ".NET"; myGroup.GroupNumber = 1; // Serialize the class, and close the TextWriter. mySerializer.Serialize(writer, myGroup); writer.Close(); } public void DeserializeObject(string filename) { XmlSerializer mySerializer = CreateOverrider(); FileStream fs = new FileStream(filename, FileMode.Open); Group myGroup = (Group) mySerializer.Deserialize(fs); Console.WriteLine(myGroup.GroupName); Console.WriteLine(myGroup.GroupNumber); } }
#using <System.Xml.dll> #using <System.dll> using namespace System; using namespace System::IO; using namespace System::Xml; using namespace System::Xml::Serialization; // This is the class that will be serialized. public ref class Group { public: // This is the attribute that will be overridden. [XmlAttributeAttribute] String^ GroupName; int GroupNumber; }; // Return an XmlSerializer used for overriding. XmlSerializer^ CreateOverrider() { // Create the XmlAttributeOverrides and XmlAttributes objects. XmlAttributeOverrides^ xOver = gcnew XmlAttributeOverrides; XmlAttributes^ xAttrs = gcnew XmlAttributes; /* Create an overriding XmlAttributeAttribute set it to the XmlAttribute property of the XmlAttributes object.*/ XmlAttributeAttribute^ xAttribute = gcnew XmlAttributeAttribute( "SplinterName" ); xAttrs->XmlAttribute = xAttribute; // Add to the XmlAttributeOverrides. Specify the member name. xOver->Add( Group::typeid, "GroupName", xAttrs ); // Create the XmlSerializer and return it. return gcnew XmlSerializer( Group::typeid,xOver ); } void SerializeObject( String^ filename ) { // Create an instance of the XmlSerializer class. XmlSerializer^ mySerializer = CreateOverrider(); // Writing the file requires a TextWriter. TextWriter^ writer = gcnew StreamWriter( filename ); // Create an instance of the class that will be serialized. Group^ myGroup = gcnew Group; /* Set the Name property, which will be generated as an XML attribute. */ myGroup->GroupName = ".NET"; myGroup->GroupNumber = 1; // Serialize the class, and close the TextWriter. mySerializer->Serialize( writer, myGroup ); writer->Close(); } void DeserializeObject( String^ filename ) { XmlSerializer^ mySerializer = CreateOverrider(); FileStream^ fs = gcnew FileStream( filename,FileMode::Open ); Group^ myGroup = dynamic_cast<Group^>(mySerializer->Deserialize( fs )); Console::WriteLine( myGroup->GroupName ); Console::WriteLine( myGroup->GroupNumber ); } int main() { SerializeObject( "OverrideAttribute.xml" ); DeserializeObject( "OverrideAttribute.xml" ); }
import System.*; import System.IO.*; import System.Xml.*; import System.Xml.Serialization.*; // This is the class that will be serialized. public class Group { // This is the attribute that will be overridden. /** @attribute XmlAttribute() */ public String groupName; public int groupNumber; } //Group public class Run { public static void main(String[] args) { Run test = new Run(); test.SerializeObject("OverrideAttribute.xml"); test.DeserializeObject("OverrideAttribute.xml"); } //main // Return an XmlSerializer used for overriding. public XmlSerializer CreateOverrider() { // Create the XmlAttributeOverrides and XmlAttributes objects. XmlAttributeOverrides xOver = new XmlAttributeOverrides(); XmlAttributes xAttrs = new XmlAttributes(); /* Create an overriding XmlAttributeAttribute set it to the XmlAttribute property of the XmlAttributes object.*/ XmlAttributeAttribute xAttribute = new XmlAttributeAttribute("SplinterName"); xAttrs.set_XmlAttribute(xAttribute); // Add to the XmlAttributeOverrides. Specify the member name. xOver.Add(Group.class.ToType(), "groupName", xAttrs); // Create the XmlSerializer and return it. return new XmlSerializer(Group.class.ToType(), xOver); } //CreateOverrider public void SerializeObject(String fileName) { // Create an instance of the XmlSerializer class. XmlSerializer mySerializer = CreateOverrider(); // Writing the file requires a TextWriter. TextWriter writer = new StreamWriter(fileName); // Create an instance of the class that will be serialized. Group myGroup = new Group(); /* Set the Name property, which will be generated as an XML attribute. */ myGroup.groupName = ".NET"; myGroup.groupNumber = 1; // Serialize the class, and close the TextWriter. mySerializer.Serialize(writer, myGroup); writer.Close(); } //SerializeObject public void DeserializeObject(String fileName) { XmlSerializer mySerializer = CreateOverrider(); FileStream fs = new FileStream(fileName, FileMode.Open); Group myGroup = (Group)mySerializer.Deserialize(fs); Console.WriteLine(myGroup.groupName); Console.WriteLine(myGroup.groupNumber); } //DeserializeObject } //Run

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