class TimePeriod

{

    private double seconds;

    public double Hours

    {

        get { return seconds / ; }

        set { seconds = value * ; }

    }

}

class Program

{

    static void Main()

    {

        TimePeriod t = new TimePeriod();

        // Assigning the Hours property causes the 'set' accessor to be called.

        t.Hours = ;

        // Evaluating the Hours property causes the 'get' accessor to be called.

        System.Console.WriteLine("Time in hours: " + t.Hours);

    }

}

// Output: Time in hours: 24

using System;

using System.Reflection;

namespace CustomAttrCS

{

    // An enumeration of animals. Start at 1 (0 = uninitialized).

    public enum Animal

    {

        // Pets.

        Dog = ,

        Cat,

        Bird,

    }

    // A custom attribute to allow a target to have a pet.

    public class AnimalTypeAttribute : Attribute

    {

        // The constructor is called when the attribute is set.

        public AnimalTypeAttribute(Animal pet)

        {

            thePet = pet;

        }

        // Keep a variable internally ...

        protected Animal thePet;

        // .. and show a copy to the outside world.

        public Animal Pet

        {

            get { return thePet; }

            set { thePet = Pet; }

        }

    }

    // A test class where each method has its own pet.

    class AnimalTypeTestClass

    {

        [AnimalType(Animal.Dog)]

        public void DogMethod() { }

        [AnimalType(Animal.Cat)]

        public void CatMethod() { }

        [AnimalType(Animal.Bird)]

        public void BirdMethod() { }

    }

    class DemoClass

    {

        static void Main(string[] args)

        {

            AnimalTypeTestClass testClass = new AnimalTypeTestClass();

            Type type = testClass.GetType();

            // Iterate through all the methods of the class.

            foreach (MethodInfo mInfo in type.GetMethods())

            {

                // Iterate through all the Attributes for each method.

                foreach (Attribute attr in

                    Attribute.GetCustomAttributes(mInfo))

                {

                    // Check for the AnimalType attribute.

                    if (attr.GetType() == typeof(AnimalTypeAttribute))

                        Console.WriteLine(

                            "Method {0} has a pet {1} attribute.",

                            mInfo.Name, ((AnimalTypeAttribute)attr).Pet);

                }

            }

        }

    }

}

/*

 * Output:

 * Method DogMethod has a pet Dog attribute.

 * Method CatMethod has a pet Cat attribute.

 * Method BirdMethod has a pet Bird attribute.

 */