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åµä¸è¬ç¨ BackgroundWorker1 å°±å¯ä»¥äºã æ·»å DoWorkå½æ°
private void BackgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker backgroundWorker = sender as BackgroundWorker;
Execute(backgroundWorker, e);
}
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if (!backgroundWorker1.IsBusy)
backgroundWorker1.RunWorkerAsync();
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