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Conditional Attribute In C#






What Is Conditional Attribute?





Syntax


[Conditional("symbol_name")]





Example






//  During development time
#define debug
using System;
using System.Diagnostics;

namespace Test {
  class Program {
    static void Main(string[] args) {
      Program p = new Program();
      p.ExecuteLogic1();
      p.LogMessage("Test Message");
      p.ExecuteLogic2();
      Console.ReadLine();
    } 
    [Conditional("debug")]
    public void LogMessage(string message) {
      Console.WriteLine(message);
    }

    public void ExecuteLogic1() {
      Console.WriteLine("Logic 1");
    }
    public void ExecuteLogic2() {
      Console.WriteLine("Logic 2");
    }
  }
}




Picture showing the code with the conditional attribute while running in development mode
Click to Enlarge





//  During production deployment time
//#define debug
using System;
using System.Diagnostics;

namespace Test {
  class Program {
    static void Main(string[] args) {
      Program p = new Program();
      p.ExecuteLogic1();
      p.LogMessage("Test Message");
      p.ExecuteLogic2();
      Console.ReadLine();
    } 
    [Conditional("debug")]
    public void LogMessage(string message) {
      Console.WriteLine(message);
    }

    public void ExecuteLogic1() {
      Console.WriteLine("Logic 1");
    }
    public void ExecuteLogic2() {
      Console.WriteLine("Logic 2");
    }
  }
}




Picture showing the code with the conditional attribute while running in production mode
Click to Enlarge


Posted By  -  Karan Gupta
 
Posted On  -  Saturday, May 27, 2017

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