BackgroundWorker是vs2005自带的，以下代码实现异步修改TextBox的Text
1
private void button2_Click(object sender, EventArgs e)
2
{
3
this.textBox1.Text = "start";
4
5 this.backgroundWorker1.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker1_RunWorkerCompleted);
6 this.backgroundWorker1.RunWorkerAsync();
7
}
8
9 private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
10 {
11 for (int i = 0; i < 3; i++)
12
{
13 for (int j = 0; j < 100000000; j++)
14 {
15 j++;
16 j--;
17
}
18 this.textBox1.Text = i.ToString();
19 }
20 }
21
22 private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
23 {
24 this.textBox1.Text = "complete";
25 }
此内容由惯性聚合(RSS阅读器)自动聚合整理，仅供阅读参考。 原文来自 — 版权归原作者所有。