BackgroundWorker.OnRunWorkerCompleted(RunWorkerCompletedEventArgs) 方法

定義

命名空間:

System.ComponentModel

組件:

System.ComponentModel.EventBasedAsync.dll

來源:

BackgroundWorker.cs

引發 RunWorkerCompleted 事件。

protected:
 virtual void OnRunWorkerCompleted(System::ComponentModel::RunWorkerCompletedEventArgs ^ e);

protected virtual void OnRunWorkerCompleted (System.ComponentModel.RunWorkerCompletedEventArgs e);

abstract member OnRunWorkerCompleted : System.ComponentModel.RunWorkerCompletedEventArgs -> unit
override this.OnRunWorkerCompleted : System.ComponentModel.RunWorkerCompletedEventArgs -> unit

Protected Overridable Sub OnRunWorkerCompleted (e As RunWorkerCompletedEventArgs)

參數

e

RunWorkerCompletedEventArgs

包含事件資料的 EventArgs。

備註

引發事件會透過委派叫用此事件處理常式。 如需詳細資訊，請參閱 處理和引發事件。

OnRunWorkerCompleted 方法也允許衍生類別處理事件，而不用附加委派。 這是在衍生類別中處理事件的慣用技巧。

給繼承者的注意事項

當在衍生類別中覆寫 OnRunWorkerCompleted(RunWorkerCompletedEventArgs) 時，請確定呼叫基底類別的 OnRunWorkerCompleted(RunWorkerCompletedEventArgs) 方法，使已註冊的委派能接收到事件。

另請參閱

• RunWorkerCompleted
• 作法：在背景執行作業
• 作法：在背景下載檔案