Hello dear, This code is blongs to C++ MFC that you can detect any USB and you can see VID and PID or you can define HID class to make limte for security , i haven t high speed internet so i just sent you Source code but it s very clear. kind r

上位机USB通信开发实例，使用HID类，供大家学习-PC USB communication development instance, use HID class for everyone to learn