错误代码3找不到设备路径 [英] error code 3 device path not found
问题描述
CreateFile(
\\Device \\ {CA406714-40A3-490E-8B07-DD467073DA92},
0,//设备查询访问
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
INVALID_HANDLE_VALUE
);
嗨以上createfileAPI失败,未找到设备路径(错误3)。
但我从位置获取设备名称
HKEY_LOCAL_MACHINE \SYSTEM\ControlSet001 \Control\Class \ {4d36e972-e325-11ce-bfc1-08002be10318} \0013 \联系
其中导出关键字段是\Device \ {CA406714-40A3-490E-8B07-DD467073DA92}
为NT我给出的命名约定。\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ n>解决方案
参见关于设备路径名称的讨论 [ ^ ]。
CreateFile(
"\\Device\\{CA406714-40A3-490E-8B07-DD467073DA92}",
0, // Device Query Access
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
INVALID_HANDLE_VALUE
);
hi all above "createfile" API is failing with device path not found(error 3).
but I have take device name from location
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0013\Linkage
where export key field is"\Device\{CA406714-40A3-490E-8B07-DD467073DA92}"
as NT naming convention I have given.\\Device\\{CA406714-40A3-490E-8B07-DD467073DA92}
please let me know where I am doing wrong
See this discussion on device path names[^].
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