Sometimes , you may want to mark a class or method as deprecated so that the you dont want to use the class any more and also want to let know , other developers that the class is obsolete .
You can do that by using the Obsolete attribute as shown below . The Obsolete attribute also includes 2nd parameter (boolean) . When this valus is false , only a warning is shown when building the project . When this valus is true , it shows an compiler error.
How to mark a class as Obsolete or Deprecated in C# ?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AbundantcodeConsole
{
class Program
{
static void Main(string[] args)
{
Employee emp = new Employee();
Console.WriteLine("Welcome to Abundantcode.com");
Console.ReadLine();
}
}
[Obsolete("This class is deprecated", true)]
public class Employee
{
public string Name { get; set; }
}
}