DesignerActionService.Contains(IComponent) 方法

定义

命名空间:
System.ComponentModel.Design
程序集:
System.Design.dll, System.Windows.Forms.Design.dll

确定当前智能标记服务是否管理指定组件的操作列表。Determines whether the current smart tag service manages the action lists for the specified component.

public:
 bool Contains(System::ComponentModel::IComponent ^ comp);
public bool Contains (System.ComponentModel.IComponent comp);
member this.Contains : System.ComponentModel.IComponent -> bool
Public Function Contains (comp As IComponent) As Boolean

参数

comp
IComponent

要搜索的 IComponent。The IComponent to search for.

返回

Boolean

如果组件由当前服务管理，则为 true；否则为 false。true if the component is managed by the current service; otherwise, false.

异常

ArgumentNullException

comp 为 null。comp is null.

注解

方法仅识别Add与方法关联的推送模型智能标记。 ContainsThe Contains method only recognizes push-model smart tags, which are associated to a component with the Add method.

尽管对设计时工具创建的并发DesignerActionService实例数没有结构限制, 但通常每个设计图面仅创建一项服务实例。Although there is no structural limitation on the number of concurrent DesignerActionService instances created by a design-time tool, typically only a single instance of the service is created per design surface.

适用于

另请参阅