Demonstrate the Obsolete attribute. : Obsolete Attribute « Attribute « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Attribute
3. Obsolete Attribute

using System; 
 
class MainClass { 
 
  [Obsolete("Use myMeth2, instead.")]  
  static int myMethod(int a, int b) { 
    return 0; 
  } 
 
  // Improved version of myMethod. 
  static int myMethod2(int a, int b) { 
    return 1; 
  } 
 
  public static void Main() { 
   // warning displayed for this 
    Console.WriteLine("4 / 3 is " + myMethod(4, 3)); 
 
   // no warning here 
    Console.WriteLine("4 / 3 is " + myMethod2(4, 3));  
  } 
}

4 / 3 is 0
4 / 3 is 1