MessageQueuePermissionAttribute.Category 屬性

定義

命名空間:

System.Messaging

組件:

System.Messaging.dll

取得或設定佇列分類。

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

public string Category { get; set; }

member this.Category : string with get, set

Public Property Category As String

屬性值

String

佇列分類 (訊息佇列型別識別項) 可允許應用程式將它的佇列分類。

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的 Category 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 Category property value, based on the queue's
// Category property value.
attribute->Category = queue->Category.ToString();

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

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 Category property value, based on the queue's
// Category property value.
attribute.Category = queue.Category.ToString();

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