[Interest] run an external app window on QWidget as a QProcess - How ?

[Sujan Dasmahapatra]

 hi friend

I am running an external app, which I want to fit onto my QScrollArea, for
this I am writing code like this.

// launch weasis
QProcess *process = new QProcess();
process->start("./viewer-win32.exe");
if (process->waitForFinished())
{
return;
}

QWindow *window = QWindow::fromWinId(211812356);
window->setFlags(Qt::FramelessWindowHint);
_patient_gui->scrollArea_1->setWidget(QWidget::createWindowContainer(window));

But how can I get the wind id? it is hard coded here, is there any way to
get the id from process id.

any help is highly appreciated.
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