If you are using a StateWorkflow and want the same layout you need to add the .layout file in the OnEndLoad. Use the LoadDesignerLayout or LoadDesignerLayoutFromResource function to add the layout to the workflow.
A StateWorkflow is one of the two basic workflow models included with WindowsWorkflowFoundation.
23-11-2009 15:30:18 - -220.127.116.11
add a one or paragraph summary or description of what's discussed here; put yours after 'Summary:'
23-11-2009 15:25:58 - anonymous
Applies the serialized layout to the root designer in the current designer host.
23-11-2009 15:25:07 - MauriceDeBeijer-18.104.22.168
Retrieves the specified resource and calls the LoadDesignerLayout method that applies the serialized layout to the root designer in the current designer host.
23-11-2009 15:25:08 - -22.214.171.124