QDragLeaveEvent Class
The QDragLeaveEvent class provides an event that is sent to a widget when a drag and drop action leaves it. 更多...
头文件: | #include <QDragLeaveEvent> |
qmake: | QT += gui |
基类: | QEvent |
公有函数
- 6 个公有函数继承自 QEvent
其他继承的成员
详细描述
The QDragLeaveEvent class provides an event that is sent to a widget when a drag and drop action leaves it.
This event is always preceded by a QDragEnterEvent and a series of QDragMoveEvents. It is not sent if a QDropEvent is sent instead.
参见 QDragEnterEvent, QDragMoveEvent, and QDropEvent.
成员函数
QDragLeaveEvent::QDragLeaveEvent()
Constructs a QDragLeaveEvent.
Warning: Do not create a QDragLeaveEvent yourself since these objects rely on Qt's internal state.