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SharedPropertyGroupManager Class

Controls access to shared property groups. This class cannot be inherited.

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

'Declaration
<ComVisibleAttribute(False)> _
Public NotInheritable Class SharedPropertyGroupManager _
	Implements IEnumerable
'Usage
Dim instance As SharedPropertyGroupManager

The following sample shows how to use SharedPropertyGroupManager to create and mange shared properties.

Imports System
Imports System.EnterpriseServices
Imports System.Reflection

<Assembly: ApplicationName("ReceiptNumberGenerator")> 
<Assembly: ApplicationActivation(ActivationOption.Library)> 


Public Class ReceiptNumberGeneratorClass

    ' Generates a new receipt number based on the receipt number 
    ' stored by the Shared Property Manager (SPM) 
    Public Function GetNextReceiptNumber() As Integer  
        Dim groupExists, propertyExists As Boolean 
        Dim nextReceiptNumber As Integer = 0
        Dim lockMode As PropertyLockMode = PropertyLockMode.SetGet
        Dim releaseMode As PropertyReleaseMode = PropertyReleaseMode.Standard

        ' Create a shared property group manager. 
        Dim groupManager As New SharedPropertyGroupManager()

        ' Create a shared property group. 
        Dim group As SharedPropertyGroup = groupManager.CreatePropertyGroup("Receipts", lockMode, releaseMode, groupExists)
        ' Create a shared property. 
        Dim ReceiptNumber As SharedProperty
        ReceiptNumber = group.CreateProperty("ReceiptNumber", propertyExists)

        ' Retrieve the value from shared property, and increment the shared  
        ' property value.
        nextReceiptNumber = Fix(ReceiptNumber.Value)
        ReceiptNumber.Value = nextReceiptNumber + 1

        ' Return nextReceiptNumber 
        Return nextReceiptNumber

    End Function 'GetNextReceiptNumber

End Class 'ReceiptNumberGeneratorClass
#using <mscorlib.dll>
#using <System.EnterpriseServices.dll>
using namespace System;
using namespace System::EnterpriseServices;
using namespace System::Reflection;

[assembly: AssemblyKeyFile(S"..\\..\\key.snk")]
[assembly: ApplicationName(S"ReceiptNumberGenerator")] 
[assembly: ApplicationActivation(ActivationOption::Library)];

public __gc class ReceiptNumberGeneratorClass
{
    // Generates a new receipt number based on the receipt number
    // stored by the Shared Property Manager (SPM)
public:
    int GetNextReceiptNumber() 
    {
        bool groupExists,propertyExists;
        int nextReceiptNumber = 0;
        PropertyLockMode lockMode = PropertyLockMode::SetGet;
        PropertyReleaseMode releaseMode = PropertyReleaseMode::Standard;

        // Create a shared property group manager.
        SharedPropertyGroupManager* groupManager = new SharedPropertyGroupManager();
        // Create a shared property group.
        SharedPropertyGroup* group = groupManager->CreatePropertyGroup(S"Receipts",
                                   &lockMode, &releaseMode, &groupExists);
        // Create a shared property.
        SharedProperty* ReceiptNumber;
        ReceiptNumber = group->CreateProperty(S"ReceiptNumber",&propertyExists);
        // Retrieve the value from shared property, and increment the shared 
        // property value.
        nextReceiptNumber = *dynamic_cast<int __box *>(ReceiptNumber->Value);
        ReceiptNumber->Value = __box(nextReceiptNumber + 1);
        // Return nextReceiptNumber
        return nextReceiptNumber;

    }
};

System.Object
  System.EnterpriseServices.SharedPropertyGroupManager

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 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

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