How to get STDOUT from a QProcess ?

Get STDOUT from a QProcess:

process.setProcessChannelMode(QProcess::MergedChannels);

print by everything and   STDERR output to STDOUT output.

The given statement is:

• In the process of QProcess::MergedChannels: QProcess  absorb the output of the running process into the standard output channel stdout. The standard error channel  stderr will not accept  any data.[…]

Although here,

• The QProcess::ForwardedChannels: QProcess   the output of the running process onto the main process and the child will writes the standard output and standard error  of the main process.