小编Pla*_*ter的帖子

我正在运行一个BackgroundWorker 线程来执行一项耗时的任务。耗时的任务在另一个类中。我需要将在BackgroundWorker 上运行的这个单独的类所取得的进度传递回Main Form1 类。我不知道如何处理这个问题。请提供建议。先感谢您。

    **// Main Form1 UI Class**    

    public void backgroundWorker2_DoWork(object sender, DoWorkEventArgs e)
    {
        //e.Argument always contains whatever was sent to the background worker
        // in RunWorkerAsync. We can simply cast it to its original type.
        DataSet ds = e.Argument as DataSet;
        this.createje.ProcessData(this.ds);
    }

    private void backgroundWorker2_ProgressChanged(object sender, ProgressChangedEventArgs e)
    {
        this.progressBar1.Minimum = 0;
        this.progressBar1.Maximum = CreateJE.max;
        this.progressBar1.Value = e.Recno;
    }

    **//Other Class called CreateJE**

    public void ProcessData(DataSet ds)
    {
        //Do time consuming task...
     for (int i …