一个实用的多线程类 System.ComponentModel.BackgroundWorker

weixin_30835933

于 2011-06-08 14:39:00 发布

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原文链接：http://www.cnblogs.com/yapzhang/archive/2011/06/08/2075166.html

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可以处理进度，完成通知

mworker = new BackgroundWorker();
mworker.DoWork += new DoWorkEventHandler(OnWork);
mworker.WorkerReportsProgress = true;
mworker.ProgressChanged += new ProgressChangedEventHandler(OnWorkProgressChanged);
mworker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(OnWorkCompleted);
mworker.WorkerSupportsCancellation = true;

mworker.RunWorkerAsync();

在 OnWork 的实现

void OnWork(object sender, DoWorkEventArgs e)
{
while (true)
{
// …

if (…)
break;

// …
}
}

在 Complete 时，应该判断多种结束情况

void OnMeasureCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Error != null)
    {
    }
else if (e.Cancelled)
    {
    }
else
    {          
    }
}