Message.OnBeginWriteMessage(XmlDictionaryWriter, AsyncCallback, Object) Message.OnBeginWriteMessage(XmlDictionaryWriter, AsyncCallback, Object) Message.OnBeginWriteMessage(XmlDictionaryWriter, AsyncCallback, Object) Message.OnBeginWriteMessage(XmlDictionaryWriter, AsyncCallback, Object) Method

定义

引发整个消息写入开始的事件。Raises an event the writing of entire messages starts.

protected:
 virtual IAsyncResult ^ OnBeginWriteMessage(System::Xml::XmlDictionaryWriter ^ writer, AsyncCallback ^ callback, System::Object ^ state);
protected virtual IAsyncResult OnBeginWriteMessage (System.Xml.XmlDictionaryWriter writer, AsyncCallback callback, object state);
abstract member OnBeginWriteMessage : System.Xml.XmlDictionaryWriter * AsyncCallback * obj -> IAsyncResult
override this.OnBeginWriteMessage : System.Xml.XmlDictionaryWriter * AsyncCallback * obj -> IAsyncResult
Protected Overridable Function OnBeginWriteMessage (writer As XmlDictionaryWriter, callback As AsyncCallback, state As Object) As IAsyncResult

参数

writer
XmlDictionaryWriter XmlDictionaryWriter XmlDictionaryWriter XmlDictionaryWriter

用于序列化全部消息的编写器。The writer used to serialize the entire message.

callback
AsyncCallback AsyncCallback AsyncCallback AsyncCallback

在操作完成时接收通知的委托方法。The delegate method that receives the notification when the operation completed.

state
Object Object Object Object

表示操作状态的用户定义的对象。The user-defined object that represents the state of the operation.

返回

表示异步操作结果的 IAsyncResult 对象。The IAsyncResult object that represents the result of the asynchronous operation.

适用于