C# 多定时器

以上代码工作：5secondwait>message-timer2，message sendmailsame time>5secondwait message-timer3，message sendmailsame time>5seconds>message-timer4，message sendmailsame time完成工作。 问题是：5secondwait>message-timer2>5secondwait>messagesendmail>5secondwait>message3timer3>5secondswait>messagesendmail>5secondswait>message-timer4>5secondswait>messagesendmail。完成工作。

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如何做到这一点？

我只想加入一个简单的代码片段，它可能会帮助您：

    private void timer5_Tick(object sender, EventArgs e)
    {
        MessageBox.Show("sendmail");
        timer5.Enabled = false;
    }


    private void timer2_Tick(object sender, EventArgs e)
    {

               MessageBox.Show("timer2");
               timer2.Enabled = false;

               timer5.Interval = 5000;
               timer5_Tick(null, new EventArgs());
    }

    private void timer3_Tick(object sender, EventArgs e)
    {


            MessageBox.Show("timer3");

           timer3.Enabled = false;
           timer5.Interval = 5000;
           timer5_Tick(null, new EventArgs());
    }

    private void timer4_Tick(object sender, EventArgs e)
    {

            MessageBox.Show("timer4");
            timer5.Interval = 5000;
            timer5_Tick(null, new EventArgs());

        timer4.Enabled = false;
    }

    private void Form1_Load(object sender, EventArgs e)
    {
        timer2.Enabled = true;
        timer3.Enabled = true;
        timer4.Enabled = true;
        timer5.Enabled = false;
 }

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不清楚您在问什么，您可能希望改进您的问题的格式，并添加一个关于您试图做什么的解释。您到底想要什么？

private async void DoStuff()
{
    MessageBox.Show("action1");
    await Task.Delay(4000),
    MessageBox.Show("action2");
    await Task.Delay(4000);
    //...
}