QDragLeaveEvent ¶

详细描述 ¶

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 QDropEvent

class QDragLeaveEvent ¶

构造 QDragLeaveEvent .

警告

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