當前位置: 首頁>>代碼示例>>C#>>正文


C# BackgroundWorker.RunWorkerCompleted事件代碼示例

本文整理匯總了C#中System.ComponentModel.BackgroundWorker.RunWorkerCompleted事件的典型用法代碼示例。如果您正苦於以下問題:C# BackgroundWorker.RunWorkerCompleted事件的具體用法?C# BackgroundWorker.RunWorkerCompleted怎麽用?C# BackgroundWorker.RunWorkerCompleted使用的例子?那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在System.ComponentModel.BackgroundWorker的用法示例。


在下文中一共展示了BackgroundWorker.RunWorkerCompleted事件的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: backgroundWorker1_RunWorkerCompleted

// This event handler deals with the results of the
// background operation.
private void backgroundWorker1_RunWorkerCompleted(
    object sender, RunWorkerCompletedEventArgs e)
{
    // First, handle the case where an exception was thrown.
    if (e.Error != null)
    {
        MessageBox.Show(e.Error.Message);
    }
    else if (e.Cancelled)
    {
        // Next, handle the case where the user canceled 
        // the operation.
        // Note that due to a race condition in 
        // the DoWork event handler, the Cancelled
        // flag may not have been set, even though
        // CancelAsync was called.
        resultLabel.Text = "Canceled";
    }
    else
    {
        // Finally, handle the case where the operation 
        // succeeded.
        resultLabel.Text = e.Result.ToString();
    }

    // Enable the UpDown control.
    this.numericUpDown1.Enabled = true;

    // Enable the Start button.
    startAsyncButton.Enabled = true;

    // Disable the Cancel button.
    cancelAsyncButton.Enabled = false;
}
開發者ID:.NET開發者,項目名稱:System.ComponentModel,代碼行數:36,代碼來源:BackgroundWorker.RunWorkerCompleted


注:本文中的System.ComponentModel.BackgroundWorker.RunWorkerCompleted事件示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。