WebClient.UploadStringCompleted 事件
定义
重要
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在异步字符串上载操作完成时发生。
public:
event System::Net::UploadStringCompletedEventHandler ^ UploadStringCompleted;
public event System.Net.UploadStringCompletedEventHandler? UploadStringCompleted;
public event System.Net.UploadStringCompletedEventHandler UploadStringCompleted;
member this.UploadStringCompleted : System.Net.UploadStringCompletedEventHandler
Public Custom Event UploadStringCompleted As UploadStringCompletedEventHandler
Public Event UploadStringCompleted As UploadStringCompletedEventHandler
事件类型
示例
下面的代码示例演示如何为此事件设置事件处理程序。
void UploadStringInBackground2( String^ address )
{
WebClient^ client = gcnew WebClient;
Uri ^uri = gcnew Uri(address);
String^ data = "Time = 12:00am temperature = 50";
client->UploadStringCompleted += gcnew UploadStringCompletedEventHandler( UploadStringCallback2 );
client->UploadStringAsync( uri, data );
}
public static void UploadStringInBackground2(string address)
{
WebClient client = new WebClient();
Uri uri = new Uri(address);
string data = "Time = 12:00am temperature = 50";
client.UploadStringCompleted += new UploadStringCompletedEventHandler(UploadStringCallback2);
client.UploadStringAsync(uri, data);
}
Public Shared Sub UploadStringInBackground2(ByVal address As String)
Dim client As WebClient = New WebClient()
Dim data As String = "Time = 12:00am temperature = 50"
AddHandler client.UploadStringCompleted, AddressOf UploadStringCallback2
Dim uri as Uri = New Uri(address)
client.UploadStringAsync(uri, data)
End Sub
注解
每次异步字符串上传操作完成时都会引发此事件。 异步字符串上传是通过调用方法启动的 UploadStringAsync 。
此 UploadStringCompletedEventHandler 事件的委托。 该 UploadStringCompletedEventArgs 类为事件处理程序提供事件数据。
有关如何处理事件的详细信息,请参阅 处理和引发事件。