Compartilhar via


IOCTL_DISK_COPY_EXTERNAL_START (Windows CE 5.0)

Send Feedback

This IOCTL is called by the file system and informs 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

If successful, the return value is nonzero. If unsuccessful, the return value is zero.

Requirements

OS Versions: Windows CE 5.0 and later.
Header: Diskio.h

See Also

Copy External IOCTLs | DISK_COPY_EXTERNAL

Send Feedback on this topic to the authors

Feedback FAQs

© 2006 Microsoft Corporation. All rights reserved.