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