'宣言
Public NotInheritable Class LayerList Inherits System.Windows.Forms.UserControl Implements GrapeCity.ActiveReports.Viewer.Win.Theming.IColorableControl, GrapeCity.ActiveReports.Viewer.Win.Theming.IObservableColorableControl
public sealed class LayerList : System.Windows.Forms.UserControl, GrapeCity.ActiveReports.Viewer.Win.Theming.IColorableControl, GrapeCity.ActiveReports.Viewer.Win.Theming.IObservableColorableControl