Threading query in C#

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C#

threads

Hi all,

I already did a post about threads. I am developing an application to fetch mails from the mail server.

The application will be running 24/7 without stopping. I am using a timer control and every 5 minutes the timer1_tick event is fired and the two threads are called.

What each thread is doing is that it is calling a connectpara. Each thread contains a set of users. Once the thread is called, it will fetch mails for that users.

private void timer1_Tick(object sender, EventArgs e)
{
   Thread t = new Thread(connectPara);
   t.Start("sp_users1");
   textBox1.Text = t.ThreadState.ToString();           
   Thread t1 = new Thread(connectPara);
   t1.Start("sp_users2");
   textBox2.Text = t1.ThreadState.ToString();
}

I am using the thread for the first time and my doubt is:

In this context, if each thread is executed, how do I know that the thread has finished the job?

If finished, do I need to abort or dispose the thread just like we do for objects.

Kindly help me to resolve this.

Thanks & regards