<div class="content"><p>The IUpdateHistoryEntry::UninstallationSteps (opnum 19)
method retrieves the uninstallation steps for the update for which the
operation was performed.</p><dl>
<dd>
<div><pre> HRESULT UninstallationSteps(
   [out, retval] IStringCollection** retval
 );
</pre></div>
</dd></dl><p><b>retval: </b>An ordered list of human-readable
localized steps for uninstalling the update for which this operation was
performed. The uninstallation steps SHOULD be in the language of the user who
initiated the operation but MAY be in the language of the current calling user.
If no uninstallation steps are available, <i>retval</i> MUST be set to an empty
<b>IStringCollection</b> list.</p><p><b>Return Values: </b>The method MUST return
information in an <b>HRESULT</b> data structure. The severity bit in the
structure identifies the following conditions:</p><ul><li><p><span><span>  </span></span>If
the severity bit is set to 0, the method completed successfully.</p>
</li><li><p><span><span>  </span></span>If
the severity bit is set to 1, the method failed and encountered a fatal error.</p>
</li></ul><p><b>Exceptions Thrown:</b> No exceptions are thrown beyond
those thrown by the underlying RPC protocol <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.</p><p>This method SHOULD return the result of the <b>UninstallationSteps</b>
ADM element.</p></div>