Control/file references closed and reused

See attached example. I realized that you can reuse a control reference even after it is closed, and this does not applied to file reference. Why is that?
Kudos and Accepted as Solution are welcome!
Solved!
Go to Solution.
Attachments:
refclose.vi ‏14 KB

I didn't look at the example, but the general answer is simple - a control reference simply points to an existing control. As long as the control is still around (because LV keeps it around), closing the reference does nothing, because LV still needs it and it knows that.
A file reference, on the other hand, is something that you create yourself. Closing the reference also releases all the resources used by that reference, making it invalid. The same would apply to other type of references, such as DVRs, queues, TCP refnums, etc.
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Control/file references closed and reused

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