Message.OnBeginWriteMessage 方法

定义

引发整个消息写入开始的事件。

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

用于序列化全部消息的编写器。

callback
AsyncCallback

在操作完成时接收通知的委托方法。

state
Object

表示操作状态的用户定义的对象。

返回

表示异步操作结果的 IAsyncResult 对象。

适用于