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ObsoleteAttribute.ObsoleteAttribute() Constructor

Initializes a new instance of the ObsoleteAttribute class with default properties.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

public ObsoleteAttribute ()
public ObsoleteAttribute ()
public function ObsoleteAttribute ()
Not applicable.

The following table shows the initial property values for an instance of ObsoleteAttribute.

Property

Value

IsError

false

Message

a null reference (Nothing in Visual Basic)

The following example demonstrates the ObsoleteAttribute() constructor. It contains a function which calls a method that has been designated as obsolete, and then attempts to catch an exception using a try/catch block.

using System;

public class ObsoleteAttrib_Cons1
{
   // Mark the method as 'Obsolete'.
   [ObsoleteAttribute()]
   public string OldFunction()
   {
      return "This is the String from old function.";
   }
   
// Create the another function which is replacement to the 'OldFunction'.
   public string NewFunction()
   {
      return "This is the String from new function.";
   }
}

public class TestObsolete1
{
   static void Main(string[] args)
   {         
      try
      {
         ObsoleteAttrib_Cons1 myObsolete = new ObsoleteAttrib_Cons1();
         Console.WriteLine(myObsolete.OldFunction());
      }
      catch(Exception e)
      {
         Console.WriteLine("The Exception is :"+e.Message);
      }
   }
}

import System.*;

public class ObsoleteAttrib_Cons1
{
    // Mark the method as 'Obsolete'.\

    /** @attribute ObsoleteAttribute()
     */
    public String OldFunction()
    {
        return "This is the String from old function.";
    } //OldFunction

    // Create the another function which is replacement to the 'OldFunction'.
    public String NewFunction()
    {
        return "This is the String from new function.";
    } //NewFunction
} //ObsoleteAttrib_Cons1

public class TestObsolete1
{
    public static void main(String[] args)
    {
        try {
            ObsoleteAttrib_Cons1 myObsolete = new ObsoleteAttrib_Cons1();
            Console.WriteLine(myObsolete.OldFunction());
        }
        catch (System.Exception e) {
            Console.WriteLine("The Exception is :" + e.get_Message());
        }
    } //main
} //TestObsolete1

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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