ActivityAction<T> 类

定义

定义一个具有一个 In 自变量并且不返回值的活动委托。Defines an activity delegate that has one in argument and does not return a value.

generic <typename T>
public ref class ActivityAction sealed : System::Activities::ActivityDelegate
public sealed class ActivityAction<T> : System.Activities.ActivityDelegate
type ActivityAction<'T> = class
    inherit ActivityDelegate
Public NotInheritable Class ActivityAction(Of T)
Inherits ActivityDelegate

类型参数

T

活动委托的 In 自变量的类型。The type of the in argument of the activity delegate.

继承
ActivityAction<T>

注解

活动委托允许开发人员定义第三方在访问活动时需要指定的签名。An activity delegate allows a developer to define the required signature of an activity that will be specified by a third party.

此类型具有多个泛型版本,这些版本对所调用的活动采用 1 到 16 个参数。There are multiple generic versions of this type that take from 1 to 16 arguments for the activity that is called. 对于返回值的活动委托,还有 ActivityFunc 类型。There are also ActivityFunc types for activity delegates that return values.

构造函数

ActivityAction<T>()

创建 ActivityAction<T> 类的新实例。Creates a new instance of the ActivityAction<T> class.

属性

Argument

获取或设置活动委托的 In 自变量。Gets or sets the in argument of the activity delegate.

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 ActivityDelegate)
Handler

获取或设置由此 ActivityDelegate 表示的活动。Gets or sets the activity that is represented by this ActivityDelegate.

(继承自 ActivityDelegate)

方法

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)
GetHashCode()

作为默认哈希函数。Serves as the default hash function.

(继承自 Object)
GetResultArgument()

在派生类中实现时,返回 DelegateOutArgumentActivityDelegateWhen implemented in a derived class, returns the DelegateOutArgument of the ActivityDelegate.

(继承自 ActivityDelegate)
GetType()

获取当前实例的 TypeGets 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)
OnGetRuntimeDelegateArguments(IList<RuntimeDelegateArgument>)

提供 ActivityDelegate 的运行时自变量列表。Supplies a list of runtime arguments for the ActivityDelegate.

(继承自 ActivityDelegate)
ShouldSerializeDisplayName()

指示 DisplayName 属性值是否应序列化为 XAML。Indicates whether the DisplayName property value should be serialized to XAML.

(继承自 ActivityDelegate)
ToString()

返回包含 StringActivityDelegateDisplayName 表示形式。Returns a String representation of the ActivityDelegate that contains the DisplayName.

(继承自 ActivityDelegate)

适用于

另请参阅