I'm not very versed in ActiveX (or most others Microsoft alphabet soup techonologies de jour) and I'm a bit puzzled by the ActiveX interface that comes with a Thorlabs APT controller system. If I place an ActiveX container in the front panel, then inside it an object of a system provided type, MG17System, I can go to the block diagram and call methods on the reference that is there, e.g. the simple AboutBox method. Using the help system the wire from the reference into the method call shows up as "MG17System MG17SystemLib.MG17System". If instead I start with an AutomationOpen call, wire a constant to it, and select for it what I think is the equivalent ActiveX Clas, wire it to the same AboutBox method, followed by an AutomationClose call, the code fails with an error of "Automation Open: Object specified is not creatable". The wire into the AboutBox method shows only "MG17SystemLib.MG17System, but that looks to me like the same thing. Can someone please illuminate me on the difference?

LabVIEW

Actually i dont know how to start a new thread.Could you kindly tell me the procedure to start a new thread

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Hi SNB,

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