public static Type[] GetAllTypes(this AppDomain @this, bool fromCache = true)
    {
        if (fromCache && (typeCache == null || !typeCache.Any()) || !fromCache)
        {
            typeCache = @this.GetExcutingAssemblies()
                .SelectMany(x =>
                {
                    try
                    {
                        return x.DefinedTypes.Select(t => t.AsType()); // Throw System.Reflection.ReflectionTypeLoadException
					}
                    catch (ReflectionTypeLoadException ex)
                    {
                        return ex.Types.Where(t => t != null);
                    }
                }).ToArray();
        }

        return typeCache;
}