学习加微信公众号
我的微信公众号
private Task<string> methodAsync() { Thread.Sleep(10000); return "Hello"; //Error: Cannot implicitly convert type 'string' to 'System.Threading.Tasks.Task<string>' } private async void button1_Click(object sender, EventArgs e) { string s = await methodAsync(); MessageBox.Show(s); }
修改private async void button1_Click(object sender, EventArgs e) { var s = await methodAsync(); MessageBox.Show(s.Result); }