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mail::account::saveFolderIndexInfo</th>
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<div class="refentry" lang="en" xml:lang="en">
<a id="mail-savefolderindexinfo" shape="rect" name="mail-savefolderindexinfo"> </a>
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<div class="refnamediv">
<h2>Name</h2>
<p>mail::account::saveFolderIndexInfo — Update message
status</p>
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<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="literallayout">
<p><br clear="none"/>
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<br clear="none"/>
<br clear="none"/>
#include <libmail/mail.H><br clear="none"/>
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<br clear="none"/>
class myCallback : public mail::callback {<br clear="none"/>
public:<br clear="none"/>
    void success(std::string msg);<br clear="none"/>
    void fail(std::string msg);<br clear="none"/>
};<br clear="none"/></p>
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<p><br clear="none"/>
mail::account *account;<br clear="none"/></p>
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<td rowspan="1" colspan="1"><code class="funcdef">account-><b class="fsfunc">saveFolderIndexInfo</b>(</code></td>
<td rowspan="1" colspan="1">size_t  </td>
<td rowspan="1" colspan="1"><var class="pdparam">messageNum</var>,</td>
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<td rowspan="1" colspan="1"> </td>
<td rowspan="1" colspan="1">const messageInfo
& </td>
<td rowspan="1" colspan="1"><var class="pdparam">msgInfo</var>,</td>
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<td rowspan="1" colspan="1"> </td>
<td rowspan="1" colspan="1">myCallback & </td>
<td rowspan="1" colspan="1"><var class="pdparam">callback</var><code>)</code>;</td>
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<div class="refsect1" lang="en" xml:lang="en">
<a id="id603960" shape="rect" name="id603960"> </a>
<h2>USAGE</h2>
<p><code class="function">mail::account::saveFolderIndexInfo</code> changes
the status of a message. <em class="parameter"><code>messageNum</code></em> must be between zero
and one less than the return code from <a class="link" href="mail-getfolderindexsize.html" title="mail::account::getFolderIndexSize" shape="rect"><span class="citerefentry"><span class="refentrytitle">mail::account::getFolderIndexSize</span>(3x)</span></a>.
<em class="parameter"><code>msgInfo</code></em> contains the
new status flags for this message. See <a class="link" href="mail-getfolderindexinfo.html" title="mail::account::getFolderIndexInfo" shape="rect"><span class="citerefentry"><span class="refentrytitle">mail::account::getFolderIndexInfo</span>(3x)</span></a>
for a description of message status flags.</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>The <em class="structfield"><code>uid</code></em> field
in <em class="parameter"><code>msgInfo</code></em> is
ignored. The message is specified by <em class="parameter"><code>messageNum</code></em>, and unique IDs of
existing messages cannot be changed.</p>
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<div class="refsect1" lang="en" xml:lang="en">
<a id="id604039" shape="rect" name="id604039"> </a>
<h2>Return Codes</h2>
<p>The application must wait until <em class="parameter"><code>callback</code></em>'s <code class="function">success</code> or <code class="function">fail</code> method is invoked. The <code class="function">success</code> method is invoked when this request
is succesfully processed. The <code class="function">fail</code> method is invoked if this request
cannot be processed. The application must not destroy
<em class="parameter"><code>callback</code></em> until either
the <code class="function">success</code> or <code class="function">fail</code> method is invoked.</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p><em class="parameter"><code>callback</code></em>'s
<code class="function">fail</code> method may be invoked
even after other callback methods were invoked. This
indicates that the request was partially completed before
the error was encountered.</p>
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<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>The application is notified about when a message's
status changes by by invoking the <code class="function">messageChanged</code> callback method of the
currently opened folder's <span class="structname">mail::folderCallback</span> object. Depending
on the mail server, the <code class="function">messageChanged</code> method may be invoked as
part of processing this request, or some time later after
this request is completed, and <em class="parameter"><code>callback</code></em>'s <code class="function">success</code> method was invoked.</p>
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<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>Multiple applications may have the same account and
folder opened at the same time. It is possible that a
message referenced by this request was already deleted by
another application. Depending on the underlying server
implementation this will result in either a failed request,
invoking <code class="function">callback.fail</code>, or
the request completing (<code class="function">callback.success</code> invoked) but without
invoking any callback function that refer to the
message.</p>
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<div class="refsect1" lang="en" xml:lang="en">
<a id="id604208" shape="rect" name="id604208"> </a>
<h2>SEE ALSO</h2>
<p><a class="link" href="mail-removemessages.html" title="mail::account::removeMessages" shape="rect"><span class="citerefentry"><span class="refentrytitle">mail::account::removeMessages</span>(3x)</span></a>,
<a class="link" href="mail-updatefolderindexflags.html" title="mail::account::updateFolderIndexFlags" shape="rect"><span class="citerefentry"><span class="refentrytitle">mail::account::updateFolderIndexFlags</span>(3x)</span></a>,
<a class="link" href="mail-updatefolderindexinfo.html" title="mail::account::updateFolderIndexInfo" shape="rect"><span class="citerefentry"><span class="refentrytitle">mail::account::updateFolderIndexInfo</span>(3x)</span></a>,
<a class="link" href="mail-getfolderindexinfo.html" title="mail::account::getFolderIndexInfo" shape="rect"><span class="citerefentry"><span class="refentrytitle">mail::account::getFolderIndexInfo</span>(3x)</span></a>.</p>
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