Validator.ValidateActivityChange(Activity, ActivityChangeAction) Method

Definition

Namespace:

System.Workflow.ComponentModel.Compiler

Assembly:

System.Workflow.ComponentModel.dll

When overridden in a derived class, validates a change based on a specified Activity being added or removed. This function is called during the application of changes that are made to the workflow during dynamic updates.

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

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

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

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

Parameters

activity

Activity

The specified Activity.

action

ActivityChangeAction

The specified ActivityChangeAction.

Returns

ValidationError

The ValidationError generated by the operation.

Exceptions

ArgumentNullException

activity is a null reference (Nothing in Visual Basic).

-or-

action is a null reference (Nothing).

Remarks

In the base implementation, a null reference (Visual Basic Nothing) is returned.