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SharedPropertyGroupManager Class
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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)

<ComVisibleAttribute(False)> _
Public NotInheritable Class SharedPropertyGroupManager _
	Implements IEnumerable

The SharedPropertyGroupManager type exposes the following members.

Public methodSharedPropertyGroupManagerInitializes a new instance of the SharedPropertyGroupManager class.

Public methodCreatePropertyGroupFinds or creates a property group with the given information.
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public methodGetEnumeratorRetrieves the enumeration interface for the collection.
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodGroupFinds the property group with the given name.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

Public Extension MethodAsParallelOverloaded. Enables parallelization of a query. (Defined by ParallelEnumerable.)
Public Extension MethodAsParallelOverloaded. (Defined by ParallelEnumerable.)
Public Extension MethodAsQueryableOverloaded. Converts an IEnumerable to an IQueryable. (Defined by Queryable.)
Public Extension MethodAsQueryableOverloaded. (Defined by Queryable.)
Public Extension MethodCast(Of TResult)Overloaded. Casts the elements of an IEnumerable to the specified type. (Defined by Enumerable.)
Public Extension MethodCast(Of TResult)Overloaded. (Defined by Enumerable.)
Public Extension MethodOfType(Of TResult)Overloaded. Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.)
Public Extension MethodOfType(Of TResult)Overloaded. (Defined by Enumerable.)

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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