PrivateComponentAttribute Class

Identifies a component as a private component that is only seen and activated by components in the same application. This class cannot be inherited.

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

'Declaration
<AttributeUsageAttribute(AttributeTargets.Class, Inherited:=True)> _
<ComVisibleAttribute(False)> _
Public NotInheritable Class PrivateComponentAttribute
	Inherits Attribute
'Usage
Dim instance As PrivateComponentAttribute

/** @attribute AttributeUsageAttribute(AttributeTargets.Class, Inherited=true) */ 
/** @attribute ComVisibleAttribute(false) */ 
public final class PrivateComponentAttribute extends Attribute
AttributeUsageAttribute(AttributeTargets.Class, Inherited=true) 
ComVisibleAttribute(false) 
public final class PrivateComponentAttribute extends Attribute

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

The following code example shows the use of the PrivateComponentAttribute type.

Imports System
Imports System.EnterpriseServices
Imports System.Reflection


' References:
' System.EnterpriseServices

' Note: Access checks must be performed at the component level to allow access
' to private components.

<assembly: ApplicationAccessControl(False, AccessChecksLevel := AccessChecksLevelOption.ApplicationComponent)>


<PrivateComponent()>  _
Public Class PrivateComponentAttribute_Example
    Inherits ServicedComponent
    
    Public Sub Example() 
        ' Display some output.
        MsgBox("Private component called successfully.")
    
    End Sub 'Example
End Class 'PrivateComponentAttribute_Example

Public Class PrivateComponentAttribute_Test
    Inherits ServicedComponent
    
    Public Sub Test() 
        ' Create a new instance of the example class.
        Dim example As New PrivateComponentAttribute_Example()
        
        ' Call a method on the class.
        example.Example()
    
    End Sub 'Test
End Class 'PrivateComponentAttribute_Test

import System.*;
import System.EnterpriseServices.*;
import System.Reflection.*;

// References:
// System.EnterpriseServices

// Note: Access checks must be performed at the component level to allow access
// to private components.
/** @assembly ApplicationAccessControl(false, AccessChecksLevel =
    AccessChecksLevelOption.ApplicationComponent)
 */

/** @attribute PrivateComponent()
 */
public class PrivateComponentAttribute_Example extends ServicedComponent
{
    public void Example()
    {
        // Display some output.
        Console.WriteLine("Private component called successfully.");
    } //Example
} //PrivateComponentAttribute_Example

public class PrivateComponentAttribute_Test extends ServicedComponent
{
    public void Test()
    {
        // Create a new instance of the example class.
        PrivateComponentAttribute_Example example = 
            new PrivateComponentAttribute_Example();
        // Call a method on the class.
        example.Example();
    } //Test
} //PrivateComponentAttribute_Test

System.Object
   System.Attribute
    System.EnterpriseServices.PrivateComponentAttribute

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

Windows 98, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

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