NetDataContractSerializer.WriteStartObject 方法

定义

使用指定的编写器写入打开的 XML 元素。

重载

名称 说明
WriteStartObject(XmlDictionaryWriter, Object)

使用 XmlDictionaryWriter. 写入打开的 XML 元素。

WriteStartObject(XmlWriter, Object)

使用 XmlWriter. 写入打开的 XML 元素。

WriteStartObject(XmlDictionaryWriter, Object)

使用 XmlDictionaryWriter. 写入打开的 XML 元素。

public:
 override void WriteStartObject(System::Xml::XmlDictionaryWriter ^ writer, System::Object ^ graph);
public override void WriteStartObject(System.Xml.XmlDictionaryWriter writer, object graph);
override this.WriteStartObject : System.Xml.XmlDictionaryWriter * obj -> unit
Public Overrides Sub WriteStartObject (writer As XmlDictionaryWriter, graph As Object)

参数

writer
XmlDictionaryWriter

XmlDictionaryWriter用于写入 XML 元素的元素。

graph
Object

要序列化的对象。 此根对象的所有子对象都将自动序列化。

例外

要序列化的类型不符合数据协定规则。 例如, DataContractAttribute 该属性尚未应用于该类型。

正在序列化的实例出现问题。

已超出要序列化的最大对象数。 请检查 MaxItemsInObjectGraph 属性。

示例

以下示例创建一个对象来序列化、类的NetDataContractSerializerXmlDictionaryWriter实例和实例。 此示例使用WriteStartObjectWriteObjectContentWriteEndObject方法将对象数据写入 XML 文档。

public sealed class ShowWriteStartObject
{

    public static void WriteObjectData(string path)
    {
        // Create the object to serialize.
        Person p = new Person("Lynn", "Tsoflias", 9876);

        // Create the writer.
        FileStream fs = new FileStream(path, FileMode.Create);
        XmlDictionaryWriter writer =
            XmlDictionaryWriter.CreateTextWriter(fs);

        NetDataContractSerializer ser =
            new NetDataContractSerializer();

        // Use the writer to start a document.
        writer.WriteStartDocument(true);

        // Use the serializer to write the start of the
        // object data. Use it again to write the object
        // data.
        ser.WriteStartObject(writer, p);
        ser.WriteObjectContent(writer, p);

        // Use the serializer to write the end of the
        // object data. Then use the writer to write the end
        // of the document.
        ser.WriteEndObject(writer);
        writer.WriteEndDocument();

        Console.WriteLine("Done");

        // Close and release the writer resources.
        writer.Flush();
        fs.Flush();
        fs.Close();
    }
NotInheritable Public Class ShowWriteStartObject
     
    Public Shared Sub WriteObjectData(ByVal path As String) 
        ' Create the object to serialize.
        Dim p As New Person("Lynn", "Tsoflias", 9876)
        
        ' Create the writer.
        Dim fs As New FileStream(path, FileMode.Create)
        Dim writer As XmlDictionaryWriter = XmlDictionaryWriter.CreateTextWriter(fs)
        
        Dim ser As New System.Runtime.Serialization.NetDataContractSerializer()        

        ' Use the writer to start a document.
        writer.WriteStartDocument(True)
        
        ' Use the serializer to write the start of the 
        ' object data. Use it again to write the object
        ' data. 
        ser.WriteStartObject(writer, p)
        writer.WriteStartAttribute("MyAttribute")
        writer.WriteString("My Text")
        writer.WriteEndAttribute()

        ser.WriteObjectContent(writer, p)
                
        ' Use the serializer to write the end of the 
        ' object data. Then use the writer to write the end
        ' of the document.
        ser.WriteEndObject(writer)
        writer.WriteEndDocument()
        
        Console.WriteLine("Done")
        
        ' Close and release the writer resources.
        writer.Flush()
        fs.Flush()
        fs.Close()
    
    End Sub

适用于

WriteStartObject(XmlWriter, Object)

使用 XmlWriter. 写入打开的 XML 元素。

public:
 override void WriteStartObject(System::Xml::XmlWriter ^ writer, System::Object ^ graph);
public override void WriteStartObject(System.Xml.XmlWriter writer, object graph);
override this.WriteStartObject : System.Xml.XmlWriter * obj -> unit
Public Overrides Sub WriteStartObject (writer As XmlWriter, graph As Object)

参数

writer
XmlWriter

XmlDictionaryWriter用于写入 XML 元素的元素。

graph
Object

要序列化的对象。 此根对象的所有子对象都将自动序列化。

例外

要序列化的类型不符合数据协定规则。 例如, DataContractAttribute 该属性尚未应用于该类型。

正在序列化的实例出现问题。

已超出要序列化的最大对象数。 请检查 MaxItemsInObjectGraph 属性。

适用于