MessagePropertyFilter.UseDeadLetterQueue Property

Reference

Definition

Namespace:: System.Messaging

Assembly:: System.Messaging.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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

Property Value

Boolean

true to receive UseDeadLetterQueue information; otherwise, false. The default is true.

Attributes: MessagingDescriptionAttribute

Examples

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);

Remarks

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.

Applies to

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