MessagePropertyFilter.UseDeadLetterQueue 属性

定义

命名空间:

System.Messaging

程序集:

System.Messaging.dll

获取或设置一个值，该值指示接收或查看消息时是否检索 UseDeadLetterQueue 属性信息。

public:
 property bool UseDeadLetterQueue { bool get(); void set(bool value); };

[System.Messaging.MessagingDescription("MsgUseDeadLetterQueue")]
public bool UseDeadLetterQueue { get; set; }

[<System.Messaging.MessagingDescription("MsgUseDeadLetterQueue")>]
member this.UseDeadLetterQueue : bool with get, set

Public Property UseDeadLetterQueue As Boolean

属性值

Boolean

如果接收 UseDeadLetterQueue 信息，则为 true；否则为 false。 默认值为 true。

属性

MessagingDescriptionAttribute

示例

下面的代码示例演示如何使用 UseDeadLetterQueue 属性。

// Set the queue's MessageReadPropertyFilter property 
// to enable the message's UseDeadLetterQueue property.
queue->MessageReadPropertyFilter->
    UseDeadLetterQueue = true;

// Peek at the message. Time out after ten seconds 
// in case the message was not delivered.
orderMessage = queue->Peek(TimeSpan::FromSeconds(10.0));

// Display the value of the message's 
// UseDeadLetterQueue property.
Console::WriteLine("Message.UseDeadLetterQueue: {0}", 
    orderMessage->UseDeadLetterQueue);

// Set the queue's MessageReadPropertyFilter property to enable the
// message's UseDeadLetterQueue property.
queue.MessageReadPropertyFilter.UseDeadLetterQueue = true;

// Peek at the message. Time out after ten seconds in case the message
// was not delivered.
orderMessage = queue.Peek(TimeSpan.FromSeconds(10.0));

// Display the value of the message's UseDeadLetterQueue property.
Console.WriteLine("Message.UseDeadLetterQueue: {0}",
    orderMessage.UseDeadLetterQueue);

注解

UseDeadLetterQueue类的 Message 属性指定是否应将无法传递的消息的副本发送到死信队列。

另请参阅

• UseDeadLetterQueue
• MessageQueue