MessageQueuePermissionAttribute.Label Propriété

Définition

Espace de noms:

System.Messaging

Assembly:

System.Messaging.dll

Obtient ou définit la description de la file d'attente.

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

Valeur de propriété

String

Étiquette de la file d'attente de messages.

Exceptions

InvalidOperationException

La valeur est null.

Exemples

L’exemple de code suivant obtient et définit la valeur de la propriété d’un attribut d’autorisation de file d’attente de Label messages.

// 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);