External exception C0000008
调试的时候出现告警对话框：External exception C0000008

大侠帮忙解决下！！

[解决办法]
看了看，貌似声明就有问题

extern "C " BOOL _declspec(dllimport) __stdcall UserSend(int Num);

改成尝试一下~~
extern "C " _declspec(dllimport) bool __stdcall UserSend(int Num);