IOCTL_DISK_COPY_EXTERNAL_START (Windows CE 5.0)

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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

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