Dim instance As XmlInteractiveActivity
Dim handler As EventHandler(Of OperationValidationEventArgs)

AddHandler instance.MetadataGetOperationValidation, handler

<ValidationOptionAttribute(ValidationOption.None)> _
<DescriptionAttribute("An Event Handler for Validating the MetadataExchange WS-Transfer Get Operation. This event is triggered at the very beginning of the receive activity to perform the claims check. Should the parent activity wish to flag that operation validation failed, it should set the FaultMessage property to an appropriate Fault Exception.")> _
<CategoryAttribute("Event Handlers")> _
<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)> _
<BrowsableAttribute(True)> _
Public Event MetadataGetOperationValidation As EventHandler(Of OperationValidationEventArgs)

[ValidationOptionAttribute(ValidationOption.None)] 
[DescriptionAttribute("An Event Handler for Validating the MetadataExchange WS-Transfer Get Operation. This event is triggered at the very beginning of the receive activity to perform the claims check. Should the parent activity wish to flag that operation validation failed, it should set the FaultMessage property to an appropriate Fault Exception.")] 
[CategoryAttribute("Event Handlers")] 
[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)] 
[BrowsableAttribute(true)] 
public event EventHandler<OperationValidationEventArgs> MetadataGetOperationValidation

[ValidationOptionAttribute(ValidationOption::None)] 
[DescriptionAttribute(L"An Event Handler for Validating the MetadataExchange WS-Transfer Get Operation. This event is triggered at the very beginning of the receive activity to perform the claims check. Should the parent activity wish to flag that operation validation failed, it should set the FaultMessage property to an appropriate Fault Exception.")] 
[CategoryAttribute(L"Event Handlers")] 
[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility::Visible)] 
[BrowsableAttribute(true)] 
public:
event EventHandler<OperationValidationEventArgs^>^ MetadataGetOperationValidation {
		void add (EventHandler<OperationValidationEventArgs^>^ value);
		void remove (EventHandler<OperationValidationEventArgs^>^ value);
}

/** @event */
public void add_MetadataGetOperationValidation (EventHandler<OperationValidationEventArgs> value)

/** @event */
public void remove_MetadataGetOperationValidation (EventHandler<OperationValidationEventArgs> value)