If.Else Propiedad

Definición

Espacio de nombres:

System.Activities.Statements

Ensamblado:

System.Activities.dll

Actividad que se va a ejecutar si el elemento Condition de la actividad se resuelve en false.

public:
 property System::Activities::Activity ^ Else { System::Activities::Activity ^ get(); void set(System::Activities::Activity ^ value); };

[System.Windows.Markup.DependsOn("Then")]
public System.Activities.Activity Else { get; set; }

[<System.Windows.Markup.DependsOn("Then")>]
member this.Else : System.Activities.Activity with get, set

Public Property Else As Activity

Valor de propiedad

Activity

La actividad secundaria.

Atributos

DependsOnAttribute

Ejemplos

En la siguiente muestra de código se muestra la configuración de la propiedad Else de una actividad de la clase If.

new If
{
    // check if the order is asking for Widgets
    Condition = new InArgument<bool>( (e) => po.Get(e).PartName.Equals("Widget") ),
    Then = new If
    {
        // check if we have enough widgets in stock
        Condition = new InArgument<bool>( (e) => po.Get(e).Quantity < 100 ),
        Then = new SendReply
        {
            DisplayName = "Successful response",
            Request = submitPO,
            Content = SendContent.Create(new InArgument<string>( (e) => string.Format("Success: {0} Widgets have been ordered!", po.Get(e).Quantity)) )
        },
        // if we don't have enough widgets, throw an unhandled exception from this operation's body
        Else = new Throw
        {
            Exception = new InArgument<Exception>((e) => new Exception("We don't have that many Widgets."))
        }
    },
    // if its not for widgets, reply to the client that we don't carry that part by sending back an expected fault type (POFault)
    Else = new SendReply
    {
        DisplayName = "Expected fault",
        Request = submitPO,
        Content = SendContent.Create(new InArgument<FaultException<POFault>>( (e) => new FaultException<POFault>(
            new POFault
            {
                Problem = string.Format("This company does not carry {0}s, but we do carry Widgets.", po.Get(e).PartName),
                Solution = "Try your local hardware store."
            },
            new FaultReason("This is an expected fault.")
            )))
    }
}