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  27 <a name="boost.date_time.winapi.file_time_to_microseconds"></a><div class="titlepage"></div>
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  29 <h2><span class="refentrytitle">Function template file_time_to_microseconds</span></h2>
  30 <p>boost::date_time::winapi::file_time_to_microseconds</p>
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  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../date_time/doxy.html#header.boost.date_time.filetime_functions_hpp" title="Header &lt;boost/date_time/filetime_functions.hpp&gt;">boost/date_time/filetime_functions.hpp</a>&gt;
  34
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  36 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FileTimeT<span class="special">&gt;</span>
  37   <span class="identifier">boost</span><span class="special">::</span><span class="identifier">uint64_t</span> <span class="identifier">file_time_to_microseconds</span><span class="special">(</span><span class="identifier">FileTimeT</span> <span class="keyword">const</span> <span class="special">&amp;</span> ft<span class="special">)</span><span class="special">;</span></pre></div>
  38 <div class="refsect1">
  39 <a name="idp222932496"></a><h2>Description</h2>
  40 <p>The function converts file_time into number of microseconds elapsed since 1970-Jan-01</p>
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  47 <p>Only dates after 1970-Jan-01 are supported. Dates before will be wrapped.</p>
  48 <p>The function is templated on the <code class="computeroutput"><a class="link" href="FILETIME.html" title="Struct FILETIME">FILETIME</a></code> type, so that it can be used with both native <code class="computeroutput"><a class="link" href="FILETIME.html" title="Struct FILETIME">FILETIME</a></code> and the ad-hoc boost::date_time::winapi::file_time type. </p>
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