Demonstrate the Obsolete attribute : Attribute : Language Basics C# Source Code

Demonstrate the Obsolete attribute

    


// Demonstrate the Obsolete attribute. 
 
using System; 
 
public class TestAno1 { 
 
  [Obsolete("Use myMeth2, instead.")]  
  static int myMeth(int a, int b) { 
    return a / b; 
  } 
 
  // Improved version of myMeth. 
  static int myMeth2(int a, int b) { 
    return b == 0 ? 0 : a /b; 
  } 
 
  public static void Main() { 
    Console.WriteLine("4 / 3 is " + TestAno1.myMeth(4, 3)); 
 
    Console.WriteLine("4 / 3 is " + TestAno1.myMeth2(4, 3));  
  } 
}

           
       
    
   
  
   

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• A simple attribute example
• Use a named attribute parameter
• Creating and using a class attribute.
• Attribute in class inheritance
• Defining New Attribute Classes
• Use AttributeUsage
• Use a property as a named attribute parameter
• Demonstrate the Conditional attribute
• Define contant and use it in Conditional attribute
• Illustrates use of the Obsolete attribute
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