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
如果接收 UseDeadLetterQueue 信息,则为 true;否则为 false。true to receive UseDeadLetterQueue information; otherwise, false. 默认值为 true。The default is true.
- 属性
示例
下面的代码示例演示属性的用法 UseDeadLetterQueue 。The 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.