123456 #include <qevent.h>struct QDragLeaveEvent : QEvent { QDragLeaveEvent(); QDragLeaveEvent(const QDragLeaveEvent &);} Qt::DragLeaveEvent;
#include <qevent.h>
struct QDragLeaveEvent : QEvent {
QDragLeaveEvent();
QDragLeaveEvent(const QDragLeaveEvent &);
} Qt::DragLeaveEvent;