Validator.ValidateActivityChange Method
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.
Namespace: System.Workflow.ComponentModel.Compiler
Assembly: System.Workflow.ComponentModel (in System.Workflow.ComponentModel.dll)
public virtual ValidationError ValidateActivityChange( Activity activity, ActivityChangeAction action )
Parameters
- activity
- Type: System.Workflow.ComponentModel.Activity
The specified Activity.
- action
- Type: System.Workflow.ComponentModel.ActivityChangeAction
The specified ActivityChangeAction.
Return Value
Type: System.Workflow.ComponentModel.Compiler.ValidationErrorThe ValidationError generated by the operation.
| Exception | Condition |
|---|---|
| ArgumentNullException | activity is a null reference (Nothing in Visual Basic). |
| ArgumentNullException | action is a null reference (Nothing). |
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
