利用ＷＭＩ获得外接设备的信息，例如ｕｓｂ人体学输入设备，显示设备是否运转正常等。-Use WMI to obtain information on external devices, such as human learning usb input devices, display devices, such as whether it is operating normally.

利用ＷＭＩ获得外接设备的信息，例如ｕｓｂ人体学输入设备，显示设备是否运转正常等。-Use WMI to obtain information on external devices, such as human learning usb input devices, display devices, such as whether it is operating normally.