MessagePropertyFilter.AcknowledgeType 屬性

定義

命名空間:

System.Messaging

組件:

System.Messaging.dll

取得或設定值，指出在接收或窺視訊息時是否要擷取 AcknowledgeType 屬性資訊。

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

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

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

Public Property AcknowledgeType As Boolean

屬性值

Boolean

true 表示接收 AcknowledgeType 資訊，否則為 false。 預設為 true。

屬性

MessagingDescriptionAttribute

範例

下列程式代碼範例示範 屬性的使用 AcknowledgeType 。

// Set the queue's MessageReadPropertyFilter property 
// to enable the message's AcknowledgeType property.
queue->MessageReadPropertyFilter->
    AcknowledgeType = 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 
// AcknowledgeType property.
Console::WriteLine("Message.AcknowledgeType: {0}", 
    orderMessage->AcknowledgeType);

// Set the queue's MessageReadPropertyFilter property to enable the
// message's AcknowledgeType property.
queue.MessageReadPropertyFilter.AcknowledgeType = 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 AcknowledgeType property.
Console.WriteLine("Message.AcknowledgeType: {0}",
    orderMessage.AcknowledgeType);

備註

類別 AcknowledgeType 的 Message 屬性會指定傳送應用程式所要求的通知訊息類型。 通知的類型會在傳回通知時定義。 Message.AcknowledgeType先設定 屬性，再傳送訊息以要求特定類型的通知。

另請參閱

• AcknowledgeType
• Acknowledgment
• MessageQueue