using System;

public class Program

{

    public static void Main()

    {

        var t = Test.Val1 | Test.Val2;

        Console.WriteLine("This is incorrect way of comparison");

        if (t == Test.Val2)

        {

            Console.WriteLine("Is True");

        }

        else

        {

            Console.WriteLine("Is False");

        }

        Console.WriteLine();

        Console.WriteLine("This is correct way of comparison");

        if ((t & Test.Val2) > 0)

        {

            Console.WriteLine("Is True");

        }

        else

        {

            Console.WriteLine("Is False");

        }

    }

}

​

[Flags]

public enum Test { 

    Val1 = 1 << 0,

    Val2 = 1 << 1,

    Val3 = 1 << 2

}