>qtbug61678.exe
AA_EnableHighDpiScaling
"5.9.1 windows dpr=1" ()
MainWindow::screenChanged "\\.\DISPLAY9" dpr=1
MainWindow::screenChanged "\\.\DISPLAY10" dpr=1
setOverrideCursor( QCursor(Qt::BlankCursor) );
restoreOverrideCursor()

>qtbug61678.exe -n
DisableHighDpiScaling
"5.9.1 windows dpr=1" ("-n")
MainWindow::screenChanged "\\.\DISPLAY9" dpr=1
MainWindow::screenChanged "\\.\DISPLAY10" dpr=1
setOverrideCursor( QCursor(Qt::BlankCursor) );
restoreOverrideCursor()