AddInAttribute 类
定义
将对象标识为外接程序。Identifies an object as an add-in.
public ref class AddInAttribute sealed : Attribute
[System.AttributeUsage(System.AttributeTargets.Class)]
public sealed class AddInAttribute : Attribute
[<System.AttributeUsage(System.AttributeTargets.Class)>]
type AddInAttribute = class
inherit Attribute
Public NotInheritable Class AddInAttribute
Inherits Attribute
- 继承
- 属性
示例
下面的示例标识外接程序。The following example identifies an add-in.
// This pipeline segment has
// two attributes:
// 1 - An AddInAttribute to identify
// this segment as an add-in.
//
// 2 - A QualificationDataAttribute to
// indicate that the add-in should
// be loaded into a new application domain.
[AddIn("Calculator Add-in",Version="2.0.0.0")]
[QualificationData("Isolation", "NewAppDomain")]
public class SampleV2AddIn : Calculator2
{
' This pipeline segment has
' two attributes:
' 1 - An AddInAttribute to identify
' this segment as an add-in.
'
' 2 - A QualificationDataAttribute to
' indicate that the add-in should
' be loaded into a new application domain.
<AddIn("Calculator Add-in", Version:="2.0.0.0")> _
<QualificationData("Isolation", "NewAppDomain")> _
Public Class SampleV2AddIn
注解
以下方法用于维护有关可用管道段的信息的存储区,并使用此特性来标识外接程序。The following methods, which maintain the store of information about available pipeline segments, use this attribute to identify an add-in.
当方法以独占方式找到外接程序时,不需要此属性 FindAddIn 。This attribute is not required when an add-in is found exclusively by the FindAddIn method. 宿主已经按类型名称和位置标识了外接程序,因此,要发现外接程序不需要该特性。The host has already identified the add-in by its type name and location, and therefore the attribute is not required for the add-in to be discovered.
此属性应仅用于激活管线段的类型。This attribute should be used only on types that activate the segments of the pipeline. 表示在宿主和外接程序之间传递的对象的类型不需要此属性。Types that represent objects passed between the host and the add-in do not need this attribute.
构造函数
| AddInAttribute(String) |
初始化 AddInAttribute 类的新实例。Initializes a new instance of the AddInAttribute class. |
属性
| Description |
获取或设置外接程序的说明。Gets or sets the description of an add-in. |
| Name |
获取外接程序的名称。Gets the name of the add-In. |
| Publisher |
获取或设置外接程序的发行者。Gets or sets the publisher of the add-in. |
| TypeId |
在派生类中实现时,获取此 Attribute 的唯一标识符。When implemented in a derived class, gets a unique identifier for this Attribute. (继承自 Attribute) |
| Version |
获取或设置外接程序的软件版本。Gets or sets the software version of the add-in. |
方法
| Equals(Object) |
返回一个值,该值指示此实例是否与指定的对象相等。Returns a value that indicates whether this instance is equal to a specified object. (继承自 Attribute) |
| GetHashCode() |
返回此实例的哈希代码。Returns the hash code for this instance. (继承自 Attribute) |
| GetType() |
获取当前实例的 Type。Gets the Type of the current instance. (继承自 Object) |
| IsDefaultAttribute() |
在派生类中重写时,指示此实例的值是否是派生类的默认值。When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (继承自 Attribute) |
| Match(Object) |
当在派生类中重写时,返回一个指示此实例是否等于指定对象的值。When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (继承自 Attribute) |
| MemberwiseClone() |
创建当前 Object 的浅表副本。Creates a shallow copy of the current Object. (继承自 Object) |
| ToString() |
返回表示当前对象的字符串。Returns a string that represents the current object. (继承自 Object) |
显式接口实现
| _Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr) |
将一组名称映射为对应的一组调度标识符。Maps a set of names to a corresponding set of dispatch identifiers. (继承自 Attribute) |
| _Attribute.GetTypeInfo(UInt32, UInt32, IntPtr) |
检索对象的类型信息,然后可以使用该信息获取接口的类型信息。Retrieves the type information for an object, which can be used to get the type information for an interface. (继承自 Attribute) |
| _Attribute.GetTypeInfoCount(UInt32) |
检索对象提供的类型信息接口的数量(0 或 1)。Retrieves the number of type information interfaces that an object provides (either 0 or 1). (继承自 Attribute) |
| _Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr) |
提供对某一对象公开的属性和方法的访问。Provides access to properties and methods exposed by an object. (继承自 Attribute) |