IOCTL_DISK_VERIFY

The IOCTL_DISK_VERIFY DeviceIoControl operation performs a logical format of a specified extent on a disk.

dwIoControlCode = IOCTL_DISK_VERIFY; // operation code

lpInBuffer; // address of input buffer

nInBufferSize; // size of input buffer

lpOutBuffer = NULL; // address of output buffer; not used; must be NULL

nOutBufferSize = 0; // size of output buffer; not used; must be zero

lpBytesReturned; // address of actual bytes of output

Parameters

lpInBuffer

Points to a buffer that contains a VERIFY_INFORMATION data structure.

nInBufferSize

Specifies the size, in bytes, of the buffer pointed to by lpInBuffer, which must be large enough to contain a VERIFY_INFORMATION data structure.

lpOutBuffer

Points to an output buffer. Not used with this operation. Set to NULL.

nOutBufferSize

Specifies the size, in bytes, of the buffer pointed to by lpOutBuffer. Not used with this operation. Set to zero.

lpBytesReturned

Points to a DWORD that receives the actual size, in bytes, of the data stored into lpOutBuffer.

Return Values

If the operation succeeds, DeviceIoControl returns TRUE.

If the operation fails, DeviceIoControl returns FALSE. To get extended error information, call GetLastError.

Remarks

This device I/O control operation is for disk devices. Floppy disk drivers, however, need not handle this operation.

See Also

DeviceIoControl, IOCTL_DISK_CHECK_VERIFY, VERIFY_INFORMATION

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