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MessageQueuePermissionEntry 類別

定義

定義傳送訊息時的程式碼存取安全性權限集合的最小單位。

public ref class MessageQueuePermissionEntry
[System.Serializable]
public class MessageQueuePermissionEntry
[<System.Serializable>]
type MessageQueuePermissionEntry = class
Public Class MessageQueuePermissionEntry
繼承
MessageQueuePermissionEntry
屬性

範例

下列程式碼範例示範 MessageQueuePermissionEntry 的用法。


#using <System.Messaging.dll>
#using <System.dll>

using namespace System;
using namespace System::Messaging;

public ref class MessageQueuePermissionEntryExample
{
    // Creates a new queue.
public:
    static void CreateQueue(String^ queuePath, bool transactional)
    {
        if(!MessageQueue::Exists(queuePath))
        {
            MessageQueue^ queue = MessageQueue::Create(queuePath, transactional);
            queue->Close();       
        }
        else
        {
            Console::WriteLine("{0} already exists.", queuePath);
        }
    }

    // Demonstrates the following MessageQueuePermission constructor:
    // public #ctor (MessageQueuePermissionAccess permissionAccess,
    //  String path)
public:
    void CreateEntryShortCtor()
    {
        // Connect to a queue on the local computer.
        MessageQueue^ queue = gcnew MessageQueue(".\\exampleQueue");

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->Path);

        queue->Close(); 
    }

    // Demonstrates the following MessageQueuePermission constructor:
    // public #ctor (MessageQueuePermissionAccess permissionAccess,
    //  String machineName, String label, String category)
public:
    void CreateEntryLongCtor()
    {
        // Connect to a queue on the local computer.
        MessageQueue^ queue = gcnew MessageQueue(".\\exampleQueue");

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->MachineName,
            queue->Label,
            queue->Category.ToString());

        queue->Close();
    }

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->MachineName,
            queue->Label,
            queue->Category.ToString());

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

        queue->Close();
    }

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->MachineName,
            queue->Label,
            queue->Category.ToString());

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

        queue->Close();
    }

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->MachineName,
            queue->Label,
            queue->Category.ToString());

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

        queue->Close();
    }

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->Path);

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

        queue->Close();
    }

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry^ entry = gcnew MessageQueuePermissionEntry(
            MessageQueuePermissionAccess::Receive,
            queue->MachineName,
            queue->Label,
            queue->Category.ToString());

        // Display the value of the entry's PermissionAccess property.
        Console::WriteLine("PermissionAccess: {0}", entry->PermissionAccess);
 
        queue->Close(); 
    }
};

int main()
{
    // Create a new instance of the class.
    MessageQueuePermissionEntryExample^ example =
        gcnew MessageQueuePermissionEntryExample();

    try
    {
        // Create a non-transactional queue on the local computer.
        // Note that the queue might not be immediately accessible, and
        // therefore this example might throw an exception of type
        // System.Messaging.MessageQueueException when trying to send a
        // message to the newly created queue.
        example->CreateQueue(".\\exampleQueue", false);

        // Demonstrate MessageQueuePermissionEntry's constructors.
        example->CreateEntryShortCtor();
        example->CreateEntryLongCtor();

        // Demonstrate MessageQueuePermissionEntry's properties.
        example->CategoryExample();
        example->LabelExample();
        example->MachineNameExample();
        example->PathExample();
        example->PermissionAccessExample();
    }

    catch (InvalidOperationException^)
    {
        Console::WriteLine("Please install Message Queuing.");
    }

    catch (MessageQueueException^ ex)
    {
        // Write the exception information to the console.
        Console::WriteLine(ex->Message);
    }
}
using System;
using System.Messaging;

public class MessageQueuePermissionEntryExample
{
    public static void Main()
    {
        // Create a new instance of the class.
        MessageQueuePermissionEntryExample example =
            new MessageQueuePermissionEntryExample();

        // Create a non-transactional queue on the local computer.
        CreateQueue(".\\exampleQueue", false);

        // Demonstrate MessageQueuePermissionEntry's constructors.
        example.CreateEntry1();
        example.CreateEntry2();

        // Demonstrate MessageQueuePermissionEntry's properties.
        example.CategoryExample();
        example.LabelExample();
        example.MachineNameExample();
        example.PathExample();
        example.PermissionAccessExample();
    }

    // Creates a new queue.
    public static void CreateQueue(string queuePath, bool transactional)
    {
        if(!MessageQueue.Exists(queuePath))
        {
            MessageQueue.Create(queuePath, transactional);
        }
        else
        {
            Console.WriteLine(queuePath + " already exists.");
        }
    }

    // Demonstrates the following MessageQueuePermission constructor:
    // public #ctor (MessageQueuePermissionAccess permissionAccess,
    //  String path)
    public void CreateEntry1()
    {
        // Connect to a queue on the local computer.
        MessageQueue queue = new MessageQueue(".\\exampleQueue");

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.Path);
    }

    // Demonstrates the following MessageQueuePermission constructor:
    // public #ctor (MessageQueuePermissionAccess permissionAccess,
    //  String machineName, String label, String category)
    public void CreateEntry2()
    {
        // Connect to a queue on the local computer.
        MessageQueue queue = new MessageQueue(".\\exampleQueue");

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.MachineName,
            queue.Label,
            queue.Category.ToString());
    }

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.MachineName,
            queue.Label,
            queue.Category.ToString());

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

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.MachineName,
            queue.Label,
            queue.Category.ToString());

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

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.MachineName,
            queue.Label,
            queue.Category.ToString());

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

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.Path);

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

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

        // Create a new instance of MessageQueuePermissionEntry.
        MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
            MessageQueuePermissionAccess.Receive,
            queue.MachineName,
            queue.Label,
            queue.Category.ToString());

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

備註

如需詳細資訊,請參閱 代碼存取安全性

建構函式

MessageQueuePermissionEntry(MessageQueuePermissionAccess, String)

使用指定的使用權限存取等級和佇列路徑,初始化 MessageQueuePermissionEntry 類別的新執行個體。

MessageQueuePermissionEntry(MessageQueuePermissionAccess, String, String, String)

使用指定的使用權限存取等級、佇列位置的電腦名稱、佇列描述和佇列分類,初始化 MessageQueuePermissionEntry 類別的新執行個體。

屬性

Category

取得佇列分類。

Label

取得佇列描述。

MachineName

取得訊息佇列佇列位置的電腦名稱。

Path

取得佇列的路徑。

PermissionAccess

取得用於使用權限要求的使用權限存取等級。

方法

Equals(Object)

判斷指定的物件是否等於目前的物件。

(繼承來源 Object)
GetHashCode()

做為預設雜湊函式。

(繼承來源 Object)
GetType()

取得目前執行個體的 Type

(繼承來源 Object)
MemberwiseClone()

建立目前 Object 的淺層複製。

(繼承來源 Object)
ToString()

傳回代表目前物件的字串。

(繼承來源 Object)

適用於

另請參閱