QT5.9 notes

Buy today QT5.9 hand. Read the first two chapters:
namespce UI {
class the widget;
}
class the widget: the QWidget public
{
}
Two widget class are not the same.
ui design:
Partnership refers to a component and other associated components.
Tab sequence refers to the order of movement of the press when the program runs Tab input focus.

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Origin www.cnblogs.com/countryboy666/p/11495143.html