如何打开usercontrol并关闭2秒

Question

你好人们如何打开userControl并在2秒后关闭并显示另一个表单？c#WinForms

Answer 1

public void MyFunction()
{
    firstForm.ShowDialog();
    secondForm.Show();
}

public void firstForm_Load(object sender, EventArgs e)
{
    Timer timer = new System.Windows.Forms.Timer() { Interval = 2000 };
    timer.Tick += delegate { timer.Stop(); Close(); };
    timer.Start();
}