The QWindowStateChangeEvent class provides the window state before a window state change. 更多...
| 頭: | #include <QWindowStateChangeEvent> |
| qmake: | QT += gui |
| 繼承: | QEvent |
| Qt::WindowStates | oldState () const |
The QWindowStateChangeEvent class provides the window state before a window state change.
返迴改變之前的窗口狀態。