C# 线程中访问控件

C# 线程中访问控件

private void Form1_Load(object sender, EventArgs e)
{
Thread thread = new Thread(ThreadFuntion);
thread.IsBackground = true;
thread.Start();
}

private void ThreadFuntion()
{
while (true)
{
this.textBox1.Text = DateTime.Now.ToString();
Thread.Sleep(1000);
}
}