PreviousTrackingServiceAttribute 类

定义

注意

The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*

指示在当前版本之前使用的 TrackingServiceIndicates the type of the TrackingService that was used prior to the current version.

public ref class PreviousTrackingServiceAttribute sealed : Attribute
[System.AttributeUsage(System.AttributeTargets.Class, AllowMultiple=true)]
public sealed class PreviousTrackingServiceAttribute : Attribute
[System.AttributeUsage(System.AttributeTargets.Class, AllowMultiple=true)]
[System.Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
public sealed class PreviousTrackingServiceAttribute : Attribute
[<System.AttributeUsage(System.AttributeTargets.Class, AllowMultiple=true)>]
type PreviousTrackingServiceAttribute = class
    inherit Attribute
[<System.AttributeUsage(System.AttributeTargets.Class, AllowMultiple=true)>]
[<System.Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")>]
type PreviousTrackingServiceAttribute = class
    inherit Attribute
Public NotInheritable Class PreviousTrackingServiceAttribute
Inherits Attribute
继承
PreviousTrackingServiceAttribute
属性

注解

备注

本材料讨论的类型和命名空间已废弃不用。This material discusses types and namespaces that are obsolete. 有关详细信息,请参阅 Windows Workflow Foundation 4.5 中弃用的类型For more information, see Deprecated Types in Windows Workflow Foundation 4.5.

当部署包含 TrackingService 实现的新版本的程序集时,将此特性应用于跟踪服务类的新版本以标识先前版本的程序集。When an assembly containing a new version of a TrackingService implementation is deployed, this attribute is applied to the new version of the tracking service class to identify the assembly of the previous version. 这样将允许运行时为工作流使用较新的跟踪服务,在使用跟踪服务的先前版本时,这些工作流仍保持使用先前的版本,但在实现跟踪服务的新版本后将重新开始使用新版本。This allows the runtime to utilize the newer tracking service for workflows that were using persisted while using the previous version of the tracking service, but resumed after the new version was implemented.

构造函数

PreviousTrackingServiceAttribute(String)

创建 PreviousTrackingServiceAttribute 类的新实例。Creates a new instance of the PreviousTrackingServiceAttribute class.

属性

AssemblyQualifiedName

获取此版本替换的先前版本跟踪服务的完全限定程序集名称。Gets the fully qualified assembly name of the previous version tracking service that this version replaces.

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)

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 TypeGets 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)

适用于