NetDataContractSerializer.WriteStartObject Method (XmlDictionaryWriter, Object)
Writes the opening XML element using an XmlDictionaryWriter.
Namespace: System.Runtime.Serialization
Assembly: System.Runtime.Serialization (in System.Runtime.Serialization.dll)
Parameters
- writer
- Type: System.Xml.XmlDictionaryWriter
The XmlDictionaryWriter used to write the XML element.
- graph
- Type: System.Object
The object to serialize. All child objects of this root object are automatically serialized.
| Exception | Condition |
|---|---|
| InvalidDataContractException | the type being serialized does not conform to data contract rules. For example, the DataContractAttribute attribute has not been applied to the type. |
| SerializationException | there is a problem with the instance being serialized. |
| QuotaExceededException | the maximum number of object to serialize has been exceeded. Check the MaxItemsInObjectGraph property. |
The following example creates an object to serialize, an instance of the NetDataContractSerializer, and an instance of the XmlDictionaryWriter class. The example uses the WriteStartObject, WriteObjectContent, and WriteEndObject methods to write the object data into the XML document.
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(); }
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
