如何發現設備是否連接到特定的串行(COM)端口? [英]How can I discover if a device is connected to a specific serial (COM) port?
如何在Winform C#中獲取Bluetooth Device Com串行端口? [英]How to get Bluetooth Device Com serial Port in winform C#?
如何將USB設備識別為現有的COM端口而不是新的COM端口? [英]How to recognize a USB device as an existing COM port and not a new one?