Hi,
So you want to insert your custom step, that you created in Teststand, from within LabVIEW? I've tried this and when I insert a new custom step in the MyTypes.ini and afterwards create a new step from within LabVIEW with activeX calls, it works fine. When you make an activex call to loadAllTypeFiles, and afterwards give the correct Stepname in the createStep activeX call, you have access to the MyTypes.ini and can create a custom step. Just make sure you choose the correct StepName, like the one you inserted in your custom step properties.
Regards.
JV