static void Main(string[] args)
{
Console.WriteLine("Enter the Target number for Sum");
int target = Convert.ToInt32(Console.ReadLine());
CallBackDelegateOfSum callback = new CallBackDelegateOfSum(printsum);
Number num = new Number(target, callback);
Thread T1 = new Thread(new ThreadStart(num.FindSum));
T1.Start();
}
public Number(int target, CallBackDelegateOfSum callback)
{
this._target = target;
this._callback = callback;
}
