'宣言
Public MustInherit Class _CategoryValueView Implements ICategoryValueModel, ICategoryValueView, IModel, IQueryInterface, IShowTooltipModel, IShowTrackerViewModel, IShowViewModel, IViewModel
public abstract class _CategoryValueView : ICategoryValueModel, ICategoryValueView, IModel, IQueryInterface, IShowTooltipModel, IShowTrackerViewModel, IShowViewModel, IViewModel