MessagePropertyFilter.UseDeadLetterQueue 属性

定义

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。Gets or sets a value that indicates whether to retrieve UseDeadLetterQueue property information when receiving or peeking a message.

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 falsetrue to receive UseDeadLetterQueue information; otherwise, false. 默认值为 trueThe default is true.

属性

示例

下面的代码示例演示属性的用法 UseDeadLetterQueueThe following code example demonstrates the use of the UseDeadLetterQueue property.

// 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类的属性 Message 指定是否应将无法传递的消息副本发送到死信队列。The UseDeadLetterQueue property of the Message class specifies whether a copy of a message that could not be delivered should be sent to a dead-letter queue.

适用于

另请参阅