/// <summary>
        /// Initializes a new instance of the <see cref="NuGenWatermarkActionList"/> class.
        /// </summary>
        /// <exception cref="ArgumentNullException">
        /// <para><paramref name="watermark"/> is <see langword="null"/>.</para>
        /// </exception>
        public NuGenWatermarkActionList(NuGenWatermark watermark)
            : base(watermark)
        {
            if (watermark == null)
            {
                throw new ArgumentNullException("watermark");
            }

            _watermark = watermark;
        }
		/// <summary>
		/// Initializes a new instance of the <see cref="NuGenWatermarkActionList"/> class.
		/// </summary>
		/// <exception cref="ArgumentNullException">
		/// <para><paramref name="watermark"/> is <see langword="null"/>.</para>
		/// </exception>
		public NuGenWatermarkActionList(NuGenWatermark watermark)
			: base(watermark)
		{
			if (watermark == null)
			{
				throw new ArgumentNullException("watermark");
			}

			_watermark = watermark;
		}