Your C example has this code: /* LPWSTR wszPath */ hDevice = CreateFileW(
wszPath, // drive to open 0, // no access to the drive FILE_SHARE_READ | //
share mode FILE_SHARE_WRITE, NULL, // default security attributes ...
You have to run the program with elevated access. Request GENERIC_READ /
GENERIC_WRITE hdrive = CreateFile(L"\\\\.\\PhysicalDrive0", GENERIC_READ,
FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);. If you just ...
... for i := 0 to 99 do begin H := CreateFile(PAnsiChar('\\.\PhysicalDrive' + IntToStr(
i)), GENERIC_READ, FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_
EXISTING, 0, 0); if H = INVALID_HANDLE_VALUE then //no more hdd's Break; ...
In the simple case where the volume resides on a single physical drive, the
physical drive number is available in ... NULL ), "
SetupDiGetDeviceInterfaceDetail - 2" ); disk = CreateFile(
deviceInterfaceDetailData->DevicePath, GENERIC_READ, ...
Feb 6, 2015 ... You should not call CreateFile and CloseHandle for each sector overwritten.
CreateFile is a very expensive operation that has to do security checks (evaluate
group membership, walk SIDs, etc). Open the handle once, pass it ...
Apr 7, 2011 ... Look at the code which I posted in my answer to the question. The author of the
question had changed the text of the question so many time and the last version
of text clear nor really what the original problem was.
Apr 19, 2018 ... You must use both the CreateFile() FILE_SHARE_READ and
FILE_SHARE_WRITE flags to gain access to the drive. Once the logical or
physical drive has been opened, you can then perform direct I/O to the data on
the entire ...
Dec 5, 2018 ... If this parameter is zero and CreateFile succeeds, the file or device cannot be
shared and cannot be opened ... To obtain the physical drive identifier for a
volume, open a handle to the volume and call the DeviceIoControl ...
May 31, 2018 ... It uses the CreateFile function to retrieve the device handle to the first physicaldrive, and then uses DeviceIoControl with the
IOCTL_DISK_GET_DRIVE_GEOMETRY control code to fill a DISK_GEOMETRY
structure with ...