ArrayItemReference<TItem> 类
定义
对数组内的项的引用。A reference to an item within an array.
generic <typename TItem>
public ref class ArrayItemReference sealed : System::Activities::CodeActivity<System::Activities::Location<TItem> ^>
public sealed class ArrayItemReference<TItem> : System.Activities.CodeActivity<System.Activities.Location<TItem>>
type ArrayItemReference<'Item> = class
inherit CodeActivity<Location<'Item>>
Public NotInheritable Class ArrayItemReference(Of TItem)
Inherits CodeActivity(Of Location(Of TItem))
类型参数
- TItem
数组内的项的类型。The type of the items within the array.
- 继承
-
CodeActivity<Location<TItem>>ArrayItemReference<TItem>
构造函数
| ArrayItemReference<TItem>() |
初始化 ArrayItemReference<TItem> 类的新实例。Initializes a new instance of the ArrayItemReference<TItem> class. |
属性
| Array |
获取或设置正在引用其项的数组。Gets or sets the array whose item is being referenced. |
| CacheId |
获取缓存的标识符,该标识符在工作流定义的作用域内是唯一的。Gets the identifier of the cache that is unique within the scope of the workflow definition. (继承自 Activity) |
| Constraints |
获取可配置的 Constraint 活动的集合,用于为 Activity 提供验证。Gets a collection of Constraint activities that can be configured to provide validation for the Activity. (继承自 Activity) |
| DisplayName |
获取或设置用于调试、验证、异常处理和跟踪的可选友好名称。Gets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking. (继承自 Activity) |
| Id |
获取一个标识符,该标识符在工作流定义的作用域内是唯一的。Gets an identifier that is unique in the scope of the workflow definition. (继承自 Activity) |
| Implementation |
不支持。Not supported. (继承自 CodeActivity<TResult>) |
| ImplementationVersion |
获取或设置活动的实现版本。Gets or sets the implementation version of the activity. (继承自 CodeActivity<TResult>) |
| Index |
获取或设置所引用的项的数组索引号。Gets or sets the array index number of the item being referenced. |
| Result |
获取或设置 Activity<TResult> 的结果参数。Gets or sets the result argument for the Activity<TResult>. (继承自 Activity<TResult>) |
| ResultType |
在派生类中实现时,获取 OutArgument 活动的类型。When implemented in a derived class, gets the type of an activity OutArgument. (继承自 ActivityWithResult) |
方法
| CacheMetadata(ActivityMetadata) |
未实现。Not implemented. 请改用 CacheMetadata(CodeActivityMetadata)。Use CacheMetadata(CodeActivityMetadata) instead. (继承自 CodeActivity<TResult>) |
| CacheMetadata(CodeActivityMetadata) |
创建并验证活动的自变量、变量、子活动和活动委托的说明。Creates and validates a description of the activity's arguments, variables, child activities, and activity delegates. (继承自 CodeActivity<TResult>) |
| Equals(Object) |
确定指定对象是否等于当前对象。Determines whether the specified object is equal to the current object. (继承自 Object) |
| Execute(CodeActivityContext) |
在派生类中实现时,执行该活动。When implemented in a derived class, performs the execution of the activity. (继承自 CodeActivity<TResult>) |
| GetHashCode() |
作为默认哈希函数。Serves as the default hash function. (继承自 Object) |
| GetType() |
获取当前实例的 Type。Gets the Type of the current instance. (继承自 Object) |
| MemberwiseClone() |
创建当前 Object 的浅表副本。Creates a shallow copy of the current Object. (继承自 Object) |
| OnCreateDynamicUpdateMap(UpdateMapMetadata, Activity) |
为动态更新创建映射时,将引发事件。Raises an event when creating a map for the dynamic update. (继承自 CodeActivity<TResult>) |
| ShouldSerializeDisplayName() |
指示是否应序列化 DisplayName 属性。Indicates whether the DisplayName property should be serialized. (继承自 Activity) |
| ToString() |
返回包含 String 的 Id 和 DisplayName 的 Activity。Returns a String that contains the Id and DisplayName of the Activity. (继承自 Activity) |