using System;

public class Program

{

    public static string string_value = "";

    public static string first_wafer = "";

    public static void Main()

    {

​

        var isWafer = Wafer_value(out first_wafer); //return boolean

        string_value = first_wafer; //assign string

        Console.WriteLine(string_value);

    }

    public static bool Wafer_value( out string first_wafer)

        {

            try

            {            

                first_wafer = "string that I want to extract";   

            }

            catch (Exception e)

            {

                Console.WriteLine(e);

                first_wafer = null;

                return false;

            }

            return true;

​

        }//End Function Wafer_value

​

}

​