1 private void button1_Click(object sender, EventArgs e)
2 {
3 TestReturnsVoid();//会在UI Thread抛出异常，导致程序崩溃
4 }
5
6 private void button2_Click(object sender, EventArgs e)
7 {
8 TestReturnsTask();//会在另外一个线程抛出异常，类似TheadPool的效果
9 }
10
11 private async void TestReturnsVoid()
12 {
13 await Test();
14 }
15
16 private async Task TestReturnsTask()
17 {
18 await Test();
19 }
20
21 private async Task Test()
22 {
23 throw new NotImplementedException();
24 }
1 private void button1_Click(object sender, Even
阅读背景：
C# 5.0 async void vs async Task
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