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WorkflowInstanceExtensionManager.Add Method (Object)

Adds the specified extension to the collection of extensions.

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

public virtual void Add(
	Object singletonExtension


Type: System.Object
The extension to add.

If any of the Add() overloads are called after MakeReadOnly(), an InvalidOperationException is thrown.

.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.