询问者
怎样获取root hub的地址

问题
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根据注册表可以查到usb设备的LocationInformation为Port_#0003.Hub_#0008,现在的问题就是Hub_#0008代表哪个hub啊
附录:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\usbhub\Enum]
"Count"=dword:00000009"NextInstance"=dword:00000009"2"="USB\\ROOT_HUB\\4&1b665edc&0""5"="USB\\ROOT_HUB\\4&34d60e66&0""6"="USB\\ROOT_HUB\\4&1535b745&0""0"="USB\\ROOT_HUB\\4&1df01b7a&0""1"="USB\\ROOT_HUB\\4&26b37e40&0""4"="USB\\ROOT_HUB\\4&2358476b&0""3"="USB\\ROOT_HUB20\\4&1d0c47b0&0""7"="USB\\ROOT_HUB20\\4&4ea6b1a&0""8"="USB\\VID_050D&PID_0237\\5&637ab4f&0&3"
全部回复
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你是说要用C++代码来实现吗?搜索枚举USB设备,应该有很多例子。
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