[提问]关闭窗口出现的问题 [复制链接]

退出程序时出现了Unhandled exception in sendCardSys.exe(QT-MT336.DLL): 0xC0000005: Access Violation.的错误
应该是析构时候出的错，偶改了很久还是没改对。。。请教之

QT-MT336! 39d4e3c1()
QT-MT336! 39d4e5a1()
QHBoxLayout::`scalar deleting destructor'(unsigned int 1) + 16 bytes
QT-MT336! 39d4e3c3()
QT-MT336! 39d4e5a1()
QVBoxLayout::`scalar deleting destructor'(unsigned int 1) + 16 bytes
QT-MT336! 39d4e3c3()
QT-MT336! 39d4e5a1()
QT-MT336! 39d209d4()
QT-MT336! 39dbf4e7()
QGroupBox::`scalar deleting destructor'(unsigned int 1) + 16 bytes
QT-MT336! 39d7d774()
userCard::~userCard() line 16 + 35 bytes
userCard::`scalar deleting destructor'(unsigned int 1) + 15 bytes
MainWidget::~MainWidget() line 37 + 37 bytes
main(int 1, char * * 0x003b88d0) line 16 + 33 bytes
SENDCARDSYS! WinMain@16 + 105 bytes
SENDCARDSYS! WinMainCRTStartup + 308 bytes
KERNEL32! 7c817077()

上面是栈的析构的过程

你有手动delete吗？是否析构中手动delete与QT的对象树清理有冲突

谢谢！
木有啊！手动有无都试过的，结果一样

终于找到出错的地儿了，哎！