窗体异步示例

public partial class Form1 : Form

{

    private delegate void FlushClient();//代理



    public Form1()

    {

        InitializeComponent();

    }



    private void Form1_Load(object sender, EventArgs e)

    {

        FlushClient fc = new FlushClient(ThreadFunction);

        fc.BeginInvoke(null, null);

    }



    private void ThreadFunction()

    {

        while (true)

        {

            this.textBox1.Text = DateTime.Now.ToString();

            Thread.Sleep(1000);

        }

    }



}