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ServiceManager.GetRequiredService(Of TServiceType) Method

Retrieves the requested service.

Namespace:  System.Activities.Presentation
Assembly:  System.Activities.Presentation (in System.Activities.Presentation.dll)

Public Function GetRequiredService(Of TServiceType) As TServiceType

Type Parameters


The type of service to retrieve.

Return Value

Type: TServiceType
Returns a generic type, which is an instance of the service.


There is no service of the given type.

Unlike GetService, this method throws a NotSupportedException if the service is not available.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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