static void Main(string[] args) {
Console.WriteLine("-> Main thread started . ThreadID = {0}", Thread.CurrentThread.ManagedThreadId);
Printer p = new Printer();
WaitCallback workItem = new WaitCallback(PrintTheNumbers);
for (int i = 0; i < 10; i++) {
ThreadPool.QueueUserWorkItem(workItem, p);
}
Console.WriteLine("All tasks queued");
Console.ReadLine();
}
static void PrintTheNumbers(object state)
{
Printer task = (Printer)state;
task.PrintNumbers();
}