In general, it is safest for the application to always
honor the Size and Offset properties, rather than assuming they have default
values.
<p>
<h3>Partial Offset and Length Properties</h3>
<p>
By default the specified data (byte array, offset and size) corresponds to
the full stored key or data item.  Optionally, the Partial property can be
set to true, and the PartialOffset and PartialLength properties are used to
specify the portion of the key or data item to be read or written.  For
details, see the <A 