public static void Main()
{
Console.WriteLine("Please enter the target number");
int target = Convert.ToInt32(Console.ReadLine());
sumOfNumbersCallback callback = new sumOfNumbersCallback(PrintSum);
Number numb = new Number(target, callback);
Thread t1 = new Thread(new ThreadStart(numb.PrintSumOftNumbers));
t1.Start();
}
public Number(int target, sumOfNumbersCallback callBackMethod)
{
this._target = target;
this._callBackMethod = callBackMethod;
}