ClassHelper for Initialization and Finalization calls of a class

ClassHelper.cs

using System;
using System.Reflection;

namespace Utils
{
    [AttributeUsage(AttributeTargets.Method)]
    public sealed class InitializationAttribute : Attribute
    {
        public InitializationAttribute()
        {
        }
    }

    [AttributeUsage(AttributeTargets.Method)]
    public sealed class FinalizationAttribute : Attribute
    {
        public FinalizationAttribute()
        {
        }
    }

    /// <summary>
    /// public class Test
    /// {
    /// [Initialization]
    /// public void Begin()
    /// {
    ///     Console.WriteLine("Begin");
    /// }
    /// 
    /// [Finalization]
    /// public static void End()
    /// {
    ///     Console.WriteLine("End");
    /// }
    /// 
    /// Anywhere at the begin of the program
    /// ClassHelper.Initialization();
    /// 
    /// if finished 
    /// ClassHelper.Finalization();
    /// </summary>
    public sealed class ClassHelper
    {
        private static void CallByName(Type attributeType)
        {
            foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
            {
                foreach (Type type in assembly.GetTypes())
                {
                    string typeNameSpace = type.Namespace;
                    if (!string.IsNullOrEmpty(typeNameSpace))
                    {
                        if (type.IsClass)
                            foreach (MethodInfo method in type.GetMethods())
                                if (method.GetCustomAttributes(attributeType, false).Length > 0)
                                    method.Invoke(null, null);
                    }
                }
            }
        }
        public static void Initialization()
        {
            CallByName(typeof(InitializationAttribute));
        }

        public static void Finalization()
        {
            CallByName(typeof(FinalizationAttribute));
        }
    }
}