HasCustomAttribute<T>

        /// <summary>
        ///     Returns a value indicating whether <see cref="Type"/> of the specified object instance contains the specified <see cref="Attribute"/>.
        /// </summary>
        /// <typeparam name="T">The <see cref="Attribute"/> for which to check.</typeparam>
        /// <param name="instance">The object instance to check.</param>
        /// <returns>A value indicating whether the specified Type contains the specified Attribute.</returns>
        public static bool HasCustomAttribute<T>(this object instance) where T : Attribute
        {
            return Attribute.GetCustomAttribute(instance.GetType(), typeof(T)) != default(Attribute);
        }