Show dialog application lunched as a process.

[mourad]

Hello everyone, I've a Qt application when is lunched, execute onther Qt application as a process. I've proceded like :

QProcess::startDetached("UpdaterApp.exe");

QProcess::startDetached("UpdaterApp.exe");

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In the menu, I've an icone which lets to the user to lunch the second application. Before I lunch it, I verify if the application is lunched or not. If it is working, I want to show the dialog application.
Can anyone tell me if is possible to do this. If yes, how I must to proceed.
Many thanks in advance.
Best regards.