EventDescriptorCollection.Contains(EventDescriptor) 方法

定义

返回集合是否包含给定的 EventDescriptorReturns whether the collection contains the given EventDescriptor.

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

参数

value
EventDescriptor

要在集合内查找的 EventDescriptorThe EventDescriptor to find within the collection.

返回

Boolean

如果该集合包含 value,则为 true;否则为 falsetrue if the collection contains the value parameter given; otherwise, false.

注解

备注

HostProtectionAttribute应用于此类的特性具有以下 Resources 属性值: SynchronizationThe HostProtectionAttribute attribute applied to this class has the following Resources property value: Synchronization. HostProtectionAttribute 不影响桌面应用程序(通常通过双击图标、键入命令或在浏览器中输入 URL 来启动这些应用程序)。The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). 有关详细信息,请参阅 HostProtectionAttribute 类或 SQL Server 编程和宿主保护特性For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

适用于