IOCTL_DISK_COPY_EXTERNAL_START (Windows Embedded CE 6.0)

1/6/2010

This I/O control is called by the file system to inform the block driver which sectors correspond to a file. This allows data to be read from or written to a file directly on an external device.

Parameters

• hDevice
  [in] Handle to the block device.

• dwIoControlCode
  [in] Set to IOCTL_DISK_COPY_EXTERNAL.

• lpInBuf
  [in] Pointer to a DISK_COPY_EXTERNAL structure.

• nInBufSize
  [in] Size of the input buffer.

• lpOutBuf
  [out] Not used.

• nOutBufSize
  [in] Not used.

• lpBytesReturned
  [out] Not used.

Return Values

A nonzero value indicates success. Zero indicates failure.

Requirements

See Also

Reference

Copy External I/O Controls
DISK_COPY_EXTERNAL