How to Port Q3Process::launch to Qt4 ?

[darshan.hardas]

While porting code from Qt3 to Qt4, I encounter the following problem.

I create Process object

QProcess m_Process = QProcess(this);

QProcess m_Process = QProcess(this);

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Now there is one statement which needs to be ported:

m_Process->launch(some_Argument);

m_Process->launch(some_Argument);

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I have used :

m_Process->execute(some_Argument);

m_Process->execute(some_Argument);

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I'm using this, but the process doesn't get launch.