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: #include <QDragLeaveEvent>
qmake: QT += gui
继承: QEvent

公共函数

QDragLeaveEvent ()

额外继承成员

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 QDragMoveEvent s. It is not sent if a QDropEvent is sent instead.

另请参阅 QDragEnterEvent , QDragMoveEvent ,和 QDropEvent .

成员函数文档编制

QDragLeaveEvent:: QDragLeaveEvent ()

构造 QDragLeaveEvent .

警告: Do not create a QDragLeaveEvent yourself since these objects rely on Qt's internal state.