Editting Extrude Feature and Handling Failed Edge Blend Update

Hello,
I am attempting to edit an extrude feature, and a reference edge from the extrude feature gets destroyed, as does the Edge Blend used later on in the part navigator tree. I anticipate this happening and have attempted a few things to suppress the error but can't seem to get it suppressed.


If TypeOf fts(index) Is Extrude Then
For Each ftr As Feature In fts(index).GetChildren
nxSession.UpdateManager.SetUpdateFailureAction(ftr, Update.FailureOption.AcceptAll)
Next
ExtrudeModifier(fts(index), fts(index - 1), fts(fts.Length - 1)
End If


In the ExtrudeModifier, there are some code calls I follow from the journal I recorded, does anyone know if these are the right calls to make?


nxSession.UpdateManager.InterpartDelay = True
prevFtr.MakeCurrentFeature()
workPsrt.Features.SetEditWithRollbackFeature(extrude1)