CompositeActivityValidator.ValidateActivityChange 方法

定义

命名空间:

System.Workflow.ComponentModel.Compiler

程序集:

System.Workflow.ComponentModel.dll

根据受影响的 Activity 验证该更改并提供错误。

public:
 override System::Workflow::ComponentModel::Compiler::ValidationError ^ ValidateActivityChange(System::Workflow::ComponentModel::Activity ^ activity, System::Workflow::ComponentModel::ActivityChangeAction ^ action);

public override System.Workflow.ComponentModel.Compiler.ValidationError ValidateActivityChange (System.Workflow.ComponentModel.Activity activity, System.Workflow.ComponentModel.ActivityChangeAction action);

override this.ValidateActivityChange : System.Workflow.ComponentModel.Activity * System.Workflow.ComponentModel.ActivityChangeAction -> System.Workflow.ComponentModel.Compiler.ValidationError

Public Overrides Function ValidateActivityChange (activity As Activity, action As ActivityChangeAction) As ValidationError

参数

activity

Activity

受影响的 Activity。

action

ActivityChangeAction

定义该更改的 ActivityChangeAction。

返回

ValidationError

由验证生成的 ValidationError。

例外

ArgumentNullException

activity 为空引用（在 Visual Basic 中为 Nothing）。

- 或 -

      <code data-dev-comment-type="paramref">action</code> is a null reference (<code data-dev-comment-type="langword">Nothing</code>).

注解

如果验证未生成错误，则返回一个空引用 (Nothing)。