How To Open a subVi by pressing an "open file button",

I got this Readdatasubvi I want to run when I press a 'Open file' button in the main vi, Then The sub vi runs and a open file menu opens to choose a file to read from and plot out to a graph. It is working but how can I see the readDataSub VI as an application wich are running parallel with the main VI. It only runs in the background, and I cant see the plottet data Why????? The sub vi has a graph for the plotted data! but it never shows up!
an example is attached..
I'll appreciate any suggestions .
The stars are ofcourse waiting!
Regards
Zamzam
HFZ
Attachments:
Main.zip ‏35 KB

Hi,
i tweaked you example.
I guess that's what you're looking for.
Rainer
P.S.: I unchecked the "open frontpanel" in the vi properties. i open (close) the frontpanel using property nodes now.
Attachments:
Main1.vi ‏22 KB
ReadDataSub.vi ‏97 KB

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