ApplicationQueuingAttribute 类

定义

为标记的程序集启用队列支持,并启用应用程序从“消息队列”队列读取方法调用。 此类不能被继承。

public ref class ApplicationQueuingAttribute sealed : Attribute
[System.AttributeUsage(System.AttributeTargets.Assembly, Inherited=true)]
[System.Runtime.InteropServices.ComVisible(false)]
public sealed class ApplicationQueuingAttribute : Attribute
[<System.AttributeUsage(System.AttributeTargets.Assembly, Inherited=true)>]
[<System.Runtime.InteropServices.ComVisible(false)>]
type ApplicationQueuingAttribute = class
    inherit Attribute
Public NotInheritable Class ApplicationQueuingAttribute
Inherits Attribute
继承
ApplicationQueuingAttribute
属性

示例

下面的代码示例演示如何使用 ApplicationQueuingAttribute 类型。

using System;
using System.EnterpriseServices;
using System.Reflection;

// References:
// System.EnterpriseServices

[assembly: ApplicationQueuing]

public class ApplicationQueuingExample : ServicedComponent
{
    public void ApplicationQueuingAttribute_Enabled()
    {
        // This example code requires that an ApplicationQueuing attribute be
        // applied to the assembly, as shown below:
        // [assembly: ApplicationQueuing]

        // Get the ApplicationQueuingAttribute applied to the assembly.
        ApplicationQueuingAttribute attribute =
            (ApplicationQueuingAttribute)Attribute.GetCustomAttribute(
            System.Reflection.Assembly.GetExecutingAssembly(),
            typeof(ApplicationQueuingAttribute),
            false);

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

        // Set the Enabled property value of the attribute.
        attribute.Enabled = false;

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

    }

    public void ApplicationQueuingAttribute_QueueListenerEnabled()
    {
        // This example code requires that an ApplicationQueuing attribute be
        // applied to the assembly, as shown below:
        // [assembly: ApplicationQueuing]

        // Get the ApplicationQueuingAttribute applied to the assembly.
        ApplicationQueuingAttribute attribute =
            (ApplicationQueuingAttribute)Attribute.GetCustomAttribute(
            System.Reflection.Assembly.GetExecutingAssembly(),
            typeof(ApplicationQueuingAttribute),
            false);

        // Display the current value of the attribute's QueueListenerEnabled
        // property.
        Console.WriteLine(
            "ApplicationQueuingAttribute.QueueListenerEnabled: {0}",
            attribute.Enabled);

        // Set the QueueListenerEnabled property value of the attribute.
        attribute.QueueListenerEnabled = false;

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

    }

    public void ApplicationQueuingAttribute_MaxListenerThreads()
    {
        // This example code requires that an ApplicationQueuing attribute be
        // applied to the assembly, as shown below:
        // [assembly: ApplicationQueuing]

        // Get the ApplicationQueuingAttribute applied to the assembly.
        ApplicationQueuingAttribute attribute =
            (ApplicationQueuingAttribute)Attribute.GetCustomAttribute(
            System.Reflection.Assembly.GetExecutingAssembly(),
            typeof(ApplicationQueuingAttribute),
            false);

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

        // Set the MaxListenerThreads property value of the attribute.
        attribute.MaxListenerThreads = 1;

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

    }
}
Imports System.EnterpriseServices
Imports System.Reflection


' References:
' System.EnterpriseServices

<Assembly: ApplicationQueuing()> 

Public Class ApplicationQueuingExample
    Inherits ServicedComponent
    
    Public Sub ApplicationQueuingAttribute_Enabled() 
        ' This example code requires that an ApplicationQueuing attribute be
        ' applied to the assembly, as shown below:
        ' [assembly: ApplicationQueuing]
        ' Get the ApplicationQueuingAttribute applied to the assembly.
        Dim attribute As ApplicationQueuingAttribute = CType(Attribute.GetCustomAttribute(System.Reflection.Assembly.GetExecutingAssembly(), GetType(ApplicationQueuingAttribute), False), ApplicationQueuingAttribute)
        
        ' Display the current value of the attribute's Enabled property.
        MsgBox("ApplicationQueuingAttribute.Enabled: " & attribute.Enabled)

        ' Set the Enabled property value of the attribute.
        attribute.Enabled = False
        
        ' Display the new value of the attribute's Enabled property.
        MsgBox("ApplicationQueuingAttribute.Enabled: " & attribute.Enabled)

    End Sub



    Public Sub ApplicationQueuingAttribute_QueueListenerEnabled()
        ' This example code requires that an ApplicationQueuing attribute be
        ' applied to the assembly, as shown below:
        ' [assembly: ApplicationQueuing]
        ' Get the ApplicationQueuingAttribute applied to the assembly.
        Dim attribute As ApplicationQueuingAttribute = CType(attribute.GetCustomAttribute(System.Reflection.Assembly.GetExecutingAssembly(), GetType(ApplicationQueuingAttribute), False), ApplicationQueuingAttribute)

        ' Display the current value of the attribute's QueueListenerEnabled
        ' property.
        MsgBox("ApplicationQueuingAttribute.QueueListenerEnabled: " & attribute.Enabled)

        ' Set the QueueListenerEnabled property value of the attribute.
        attribute.QueueListenerEnabled = False

        ' Display the new value of the attribute's QueueListenerEnabled
        ' property.
        MsgBox("ApplicationQueuingAttribute.QueueListenerEnabled: " & attribute.QueueListenerEnabled)

    End Sub



    Public Sub ApplicationQueuingAttribute_MaxListenerThreads()
        ' This example code requires that an ApplicationQueuing attribute be
        ' applied to the assembly, as shown below:
        ' [assembly: ApplicationQueuing]
        ' Get the ApplicationQueuingAttribute applied to the assembly.
        Dim attribute As ApplicationQueuingAttribute = CType(attribute.GetCustomAttribute(System.Reflection.Assembly.GetExecutingAssembly(), GetType(ApplicationQueuingAttribute), False), ApplicationQueuingAttribute)

        ' Display the current value of the attribute's MaxListenerThreads
        ' property.
        MsgBox("ApplicationQueuingAttribute.MaxListenerThreads: " & attribute.MaxListenerThreads)

        ' Set the MaxListenerThreads property value of the attribute.
        attribute.MaxListenerThreads = 1

        ' Display the new value of the attribute's MaxListenerThreads
        ' property.
        MsgBox("ApplicationQueuingAttribute.MaxListenerThreads: " & attribute.MaxListenerThreads)
    End Sub

End Class

注解

有关 实例 ApplicationQueuingAttribute的初始属性值的列表, ApplicationQueuingAttribute 请参阅 构造函数。

有关使用特性的详细信息,请参阅 特性

构造函数

ApplicationQueuingAttribute()

初始化 ApplicationQueuingAttribute 类的新实例,并且为程序集启用队列支持以及初始化 EnabledQueueListenerEnabledMaxListenerThreads

属性

Enabled

获取或设置一个值,该值指示是否启用队列支持。

MaxListenerThreads

获取或设置用于从队列提取消息并激活相应组件的线程的数目。

QueueListenerEnabled

获取或设置一个值,该值指示应用程序是否将从客户端接受已排队的组件调用。

TypeId

在派生类中实现时,获取此 Attribute 的唯一标识符。

(继承自 Attribute)

方法

Equals(Object)

返回一个值,该值指示此实例是否与指定的对象相等。

(继承自 Attribute)
GetHashCode()

返回此实例的哈希代码。

(继承自 Attribute)
GetType()

获取当前实例的 Type

(继承自 Object)
IsDefaultAttribute()

在派生类中重写时,指示此实例的值是否是派生类的默认值。

(继承自 Attribute)
Match(Object)

当在派生类中重写时,返回一个指示此实例是否等于指定对象的值。

(继承自 Attribute)
MemberwiseClone()

创建当前 Object 的浅表副本。

(继承自 Object)
ToString()

返回表示当前对象的字符串。

(继承自 Object)

显式接口实现

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)

将一组名称映射为对应的一组调度标识符。

(继承自 Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)

检索对象的类型信息,然后可以使用该信息获取接口的类型信息。

(继承自 Attribute)
_Attribute.GetTypeInfoCount(UInt32)

检索对象提供的类型信息接口的数量(0 或 1)。

(继承自 Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)

提供对某一对象公开的属性和方法的访问。

(继承自 Attribute)

适用于