ApplicationQueuingAttribute 类  
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
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 AttributePublic NotInheritable Class ApplicationQueuingAttribute
Inherits Attribute- 继承
- 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 Enabled、QueueListenerEnabled 和 MaxListenerThreads。 | 
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) |