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ApplicationQueuingAttribute Class

Enables queuing support for the marked assembly and enables the application to read method calls from Message Queuing queues. This class cannot be inherited.

System.Object
  System.Attribute
    System.EnterpriseServices.ApplicationQueuingAttribute

Namespace:  System.EnterpriseServices
Assembly:  System.EnterpriseServices (in System.EnterpriseServices.dll)

[ComVisibleAttribute(false)]
[AttributeUsageAttribute(AttributeTargets.Assembly, Inherited = true)]
public sealed class ApplicationQueuingAttribute : Attribute

The ApplicationQueuingAttribute type exposes the following members.

  NameDescription
Public methodApplicationQueuingAttributeInitializes a new instance of the ApplicationQueuingAttribute class, enabling queuing support for the assembly and initializing Enabled, QueueListenerEnabled, and MaxListenerThreads.
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  NameDescription
Public propertyEnabledGets or sets a value indicating whether queuing support is enabled.
Public propertyMaxListenerThreadsGets or sets the number of threads used to extract messages from the queue and activate the corresponding component.
Public propertyQueueListenerEnabledGets or sets a value indicating whether the application will accept queued component calls from clients.
Public propertyTypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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  NameDescription
Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Explicit interface implemetationPrivate method_Attribute.GetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.InvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
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For a list of initial property values for an instance of ApplicationQueuingAttribute, see the ApplicationQueuingAttribute constructor.

For more information about using attributes, see Extending Metadata Using Attributes.

The following code example demonstrates the use of the ApplicationQueuingAttribute type.

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);

    }
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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