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IOCTL_FLASH_GET_REGION_FREE_SPACE (Windows Embedded CE 6.0)

1/6/2010

This IOCTL retrieves the number of free blocks in a particular region that can be used for creating new partitions. The block count retrieved accounts for bad blocks.

Parameters

  • dwIoControlCode
    [in] Specifies this IOCTL.
  • lpInBuffer
    [in] Pointer to a DWORD containing the region index to get free space from.
  • nInBufferSize
    [in] Size of a DWORD.
  • lpOutBuffer
    [out] Number of free blocks available.
  • nOutBufferSize
    [in] Size of a DWORD.
  • lpBytesReturned
    Not used. Set to NULL.

Return Values

Returns a nonzero value if successful. If this IOCTL fails, the return value is zero. To obtain extended error information, call GetLastError.

Requirements

Header FlashMdd.h
Windows Embedded CE Windows Embedded CE 6.0 R2

See Also

Reference

Flash Driver MDD IOCTLs