How to instantiate a subvi multiple times parallely?

Hi,
I am developing an application which uses a set of input controls for performing a task. I have given eight such sets of these controls in the main vi. However, I want to provide user an option to add more sets if required by invoking a subvi (which will have one such set of control) and likewise invoking the same subvi to have few more sets (as windows of one set each).
The important things here to be noted are:
User should be able to invoke multiple instances of the same subvi parallely using the same menu item in the main vi(say).
User should be able to transfer the control from mainvi, to subvi instance1, subvi instance 2 and so on by mere mouse clicks on the respective windows.
How can I implement such case using labview? All suggestions are welcome.

Hi mnx,
Just to correct me if I'm wrong:
You have 8 subVIs and each have their own jobs
For example, you want to control a temperature, you would press a button which pops up the control for the temperature and the subvi GUI will pop up for your to control
Well, if you want to open the subVI: you can find the example code here: http://forums.ni.com/t5/LabVIEW/Call-a-SubVi-in-Labview/m-p/1590320#M580140
To start 2 subvis parallely, you can use the error cluster to force execution just like the vis I modified from the example codes from the earlier link. The error cluster wires (error in and error out terminals) make use of the dataflow rule in LabVIEW to make 2 functions or subVI's to run in parallel.
Hope it helps
Warmest regards,
Lennard.C
Learning new things everyday...
Attachments:
SubVi.vi ‏10 KB
SubVi - Copy.vi ‏10 KB
MainVi.vi ‏13 KB

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