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