using System;

public class Program

{

    public class St {

        public string s;

        public St() {

                string tmp = null;

                try {

                    throw new Exception ();

                } catch (Exception thrown) {

                    var e = thrown.StackTrace;

                    if (e != null) {

                        tmp = e.ToString();

                    }

                }

                if (tmp == null || tmp.Length == 0) {

                    s = "No Stack Info";

                } else {

                    s = tmp;

                }

            System.Console.WriteLine("STACKTRACE: " + s);

            System.Console.WriteLine("FULL STACKTRACE: " + new System.Diagnostics.StackTrace(true).ToString());

        }

    }

    void main()

    {

        var st = new St();

    }

​

    public static void Main()

    {

        new Program().main();

    }

}