Illustrates use of the Obsolete attribute


/*
illustrates use of the Obsolete attribute
*/

using System;

public class Example17_1 
{
  // warn the user that Method1 is obsolete
  [Obsolete("Method1 has been replaced by NewMethod1", false)]
  public static int Method1()
  {
    return 1;
  }

  // throw an error if the user tries to use Method2
  [Obsolete("Method2 has been replaced by NewMethod2", true)]
  public static int Method2()
  {
    return 2;
  }

  public static void Main() 
  {
    Console.WriteLine(Method1());
    Console.WriteLine(Method2());
  }
}

1.	Subclass System.Attribute
2.	A simple attribute example
3.	Use a named attribute parameter
4.	Creating and using a class attribute.
5.	Attribute in class inheritance
6.	Defining New Attribute Classes
7.	Use AttributeUsage
8.	Use a property as a named attribute parameter
9.	Demonstrate the Conditional attribute
10.	Define contant and use it in Conditional attribute
11.	Demonstrate the Obsolete attribute
12.	Compiles into a library defining the RamdomSupplier attribute and the RandomMethod attribute
13.	Shows the use of assembly attributes
14.	How to create a custom attribute
15.	Illustrates use of the Conditional attribute
16.	Illustrates the GetCustomAttributes method
17.	demonstrates the flags attribute of an enumeration

Illustrates use of the Obsolete attribute : Attribute « Language Basics « C# / C Sharp

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