<div class="content" name="CO_RECORD_EXTENSION_WIN2K" uuid="ae7e3371-5538-4f74-bde2-a48d318b1571"><p>The CO_RECORD_EXTENSION_WIN2K structure MUST be formatted as
follows:</p><dl>
<dd>
<div><pre> typedef struct _CO_RECORD_EXTENSION_WIN2K {
   ULONG FieldSize;
   USHORT Major;
   USHORT OffsetCount;
   ULONG Offset;
   ULONG OffsetLast;
   DATA_EXTENSION_CHECKSUM DataChecksum;
 } CO_RECORD_EXTENSION_WIN2K,
  *PCO_RECORD_EXTENSION_WIN2K;
</pre></div>
</dd></dl><p><b>FieldSize:</b> A 32-bit, unsigned integer that
indicates the size of structure CO_RECORD_EXTENSION_WIN2K. MUST be 0x00000028. </p><p><b>Major:</b> Version of the
CO_RECORD_EXTENSION_WIN2K structure. MUST be 0.</p><p><b>OffsetCount:</b> MUST be 0x0001.</p><p><b>Offset:</b> MUST be 0x00000010.</p><p><b>OffsetLast:</b> MUST be 0.</p><p><b>DataChecksum:</b> <a href="660990ab-11a6-4568-8e2f-8a84ad61f835" data-linktype="relative-path">DATA_EXTENSION_CHECKSUM</a>
structure, as specified in section 2.2.3.7.</p></div>