多线程（一）

https://www.cnblogs.com/feipeng8848/p/10188871.html

 

彻底搞懂 C# 的 async/await

 

private async void button1_Click(object sender, EventArgs e)
        {
            var t = Task.Run(() => {
                Thread.Sleep(5000);
                return "Hello I am TimeConsumingMethod";
            });
            textBox1.Text = await t;
        }