using System;

using System.Reflection;

​

[AttributeUsage( AttributeTargets.Method, Inherited = true, AllowMultiple = false )]

class TestAttribute : Attribute { }

​

public class BaseClass

{

    [Test]

    protected virtual void PerformAction()

    {

        Console.WriteLine( "Action!" );

    }

}

​

public class DerivedClass : BaseClass

{

    protected override void PerformAction()

    {

        base.PerformAction();

​

        Console.WriteLine( "Combine actions!" );

    }

}

​

public class TestAttributeUsage

{

    public static void Main()

    {

        BaseClass baseInstance = new BaseClass();

        DerivedClass derivedInstance = new DerivedClass();

​

        // Display custom attributes for each class.

        Console.WriteLine( "Attributes on Base Class Methods:" );

        MethodInfo[] methods = baseInstance.GetType().GetMethods( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance );

        foreach ( MethodInfo mdx in methods )

        {

            object[] attribs = mdx.GetCustomAttributes( true );

            foreach ( Attribute attr in attribs )

            {

                Console.WriteLine( attr );

            }

        }

​

        Console.WriteLine( string.Empty );

​

        Console.WriteLine( "Attributes on Derived Class Methods:" );

        methods = derivedInstance.GetType().GetMethods( BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance );

        foreach ( MethodInfo mdx in methods )

        {

            object[] attribs = mdx.GetCustomAttributes( true );

            foreach ( Attribute attr in attribs )

            {

                Console.WriteLine( attr );

            }

        }

    }

}