Solution:
using System.Threading;
// on button click , procedure for starting thread
private void
button2_Click(object sender, EventArgs e)
{
// create thread with passing function name in constructor
Thread t = new Thread(new ThreadStart(called));
//start the thread
t.Start();
}
protected void
called()
{
int i=0;
// infinite loop
while(i>=0)
{
Console.WriteLine(i);
i = i + 1;
}
}