MainWindow 0 0 749 475 videotest2 16777215 60 A-Left A-Right B-Left B-Right Qt::Horizontal 40 20 200 0 200 16777215 16777215 40 Preview Stop 0 0 Capture Infomation Qt::Horizontal 40 20 0 0 749 22 TopToolBarArea false QQtWidget QWidget

qqtwidget.h