MessageQueuePermissionAttribute.Label 屬性

定義

命名空間:

System.Messaging

組件:

System.Messaging.dll

取得或設定佇列描述。

public:
 property System::String ^ Label { System::String ^ get(); void set(System::String ^ value); };

public string Label { get; set; }

member this.Label : string with get, set

Public Property Label As String

屬性值

String

訊息佇列的標記。

例外狀況

InvalidOperationException

值為 null。

範例

下列程式代碼範例會取得並設定消息佇列許可權屬性 Label 的屬性值。

// Connect to a queue on the local computer.
MessageQueue^ queue = gcnew MessageQueue(".\\exampleQueue");

// Create a new instance of MessageQueuePermissionAttribute.
MessageQueuePermissionAttribute^ attribute =
    gcnew MessageQueuePermissionAttribute(
    System::Security::Permissions::SecurityAction::Assert);

// Set the attribute's Label property value, based on the queue's Label
// property value.
attribute->Label = queue->Label;

// Display the new value of the attribute's Label property.
Console::WriteLine("attribute->Label: {0}", attribute->Label);

queue->Close();

// Connect to a queue on the local computer.
MessageQueue queue = new MessageQueue(".\\exampleQueue");

// Create a new instance of MessageQueuePermissionAttribute.
MessageQueuePermissionAttribute attribute =
    new MessageQueuePermissionAttribute(
    System.Security.Permissions.SecurityAction.Assert);

// Set the attribute's Label property value, based on the queue's Label
// property value.
attribute.Label = queue.Label;

// Display the new value of the attribute's Label property.
Console.WriteLine("attribute.Label: {0}", attribute.Label);