'宣言 Public MustInherit Class LayoutBaseBuilder (Of TControl As LayoutBase, TBuilder As LayoutBaseBuilder(Of TControl,TBuilder)) Inherits ServiceBuilder(Of TControl,TBuilder) Implements ITemplateBuilder(Of TBuilder), Microsoft.AspNetCore.Html.IHtmlContent
public abstract class LayoutBaseBuilder<TControl,TBuilder> : ServiceBuilder<TControl,TBuilder>, ITemplateBuilder<TBuilder>, Microsoft.AspNetCore.Html.IHtmlContent where TControl: LayoutBase where TBuilder: LayoutBaseBuilder<TControl,TBuilder>