Get access to a value in a running while (with C++)

Good morning,
I have a serious problem. I run a Vi with a while loop (for acquisition). In this loop, there are many values. I want to access to them while the loop is running. The problem of my VI is it does not give me the value until the loop has not finished. But I want to acces to it before the end.
The ultimate objective is to access to this value in a C++ code. In this code, I implemented threads. But since Labview does give me back the value until the VI has not finised... but it must never finish. What does do Labview when I call the VI with values and pointers from C++ ? Can I access to the value inside the running loop in real time ?
Thank you for your answers.
G.D

I think the best design is to completely separate both components from one another and define an appropriate interface inbetween.
One possible flavor of a design would be to have two executables (one LV, one .NET) which interface using some ethernet protocol (based on TCP or UDP). The .NET application sends commands, the LV application reacts and sends status information.
Example (displayed from the .NET application view):
You have one command to push a new set-point. You receive an acknowledge.
You have a command to request continuous status updates (potential parameter: update rate). You receive an update of the current value until you send a command to stop updates. This approach is often called "register/unregister" method.
Norbert
CEO: What exactly is stopping us from doing this?
Expert: Geometry
Marketing Manager: Just ignore it.

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We want to access a variable from the run method of a Thread externally in a class or in a method. Even though I make the variable as public /public static, I could get the value till the end of the run method only. After that scope of the variable gets lost resulting to null value in the called method/class..
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====================
Sql statement
====================
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=========================
TKPROF with Index for the above query ( processed 643 records )
=========================
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 0 0 0
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Fetch 0 0.00 0.00 0 0 0 0
total 2 2499.64 2511.99 98158 645561632 13105579 1812777
=============================
TKPROF without Index for the above query ( processed 4452 records )
=============================
call count cpu elapsed disk query current rows
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Fetch 0 0.00 0.00 0 0 0 0
total 2 10746.96 10544.13 84125 3079376156 1870058 1816289
=============================
Explain plan which is same in both the cases
=============================
Rows Row Source Operation
0 UPDATE PO_LINES_ALL (cr=3079377095 pr=84127 pw=0 time=0 us)
1816289 TABLE ACCESS FULL PO_LINES_ALL (cr=83175 pr=83026 pw=0 time=117690 us cost=11151 size=29060624 card=1816289)
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0 TABLE ACCESS BY INDEX ROWID IRPO_IN_BPAUPDATE_TMP (cr=3079292918 pr=20 pw=0 time=0 us cost=4 size=22 card=1)
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Thanks a lot for your reply.
Thanks and Regards,
Prasad
Edited by: Prasad on Jun 28, 2011 3:52 AM
Edited by: Prasad on Jun 28, 2011 3:54 AM
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Get access to a value in a running while (with C++)

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