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並前往https://www.buzzphp.com/posts/c-createfile-returns-1-invalid-function-when-trying-to-open-device-in-win

c++ CreateFile() returns 1 (Invalid function) when trying to ...

... 1000 #define IOCTL_ADD_BLAPP CTL_CODE(FILE_DEVICE_UNKNOWN, 0x801, ... #define IOCTL_REM_BLAPP CTL_CODE(FILE_DEVICE_UNKNOWN, 0x802, ...

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查詢 「FILE_DEVICE_UNKNOWN」的人也找了：

  1. Pdevice_object
    2.
  2. PDRIVER_OBJECT
    3.
  3. File_removable_media
    4.
  4. CTL_CODE
    5.
  5. IOCTL code
    6.
  6. Io control code
    7.
  7. IoCreateDevice
    8.
  8. IRP_MJ_DEVICE_CONTROL
    9.