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LabVIEW Real Time - florence virtual keyboard

Hello,

 

I use a cRio 9030 with a touchscreen module. I would like to use the virtual keyboard florence.

 

I installed it with no problem and it works when I start it from a shell.

 

Now I want to start the virtual keyboard from my LabVIEW application. I tried to start it with SystemExec but I receive the following error :

 

(florence:2199): Gtk-WARNING **: cannot open display:

 

Does anybody have an idea ?

 

Christophe

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