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<refentry xml:id="intlcalendar.setskippedwalltimeoption" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>IntlCalendar::setSkippedWallTimeOption</refname>
  <refpurpose>Set behavior for handling skipped wall times at positive timezone offset transitions</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>
   &style.oop;
  </para>
  <methodsynopsis role="IntlCalendar">
   <modifier>public</modifier> <type>true</type><methodname>IntlCalendar::setSkippedWallTimeOption</methodname>
   <methodparam><type>int</type><parameter>option</parameter></methodparam>
  </methodsynopsis>
  <para>
   &style.procedural;
  </para>
  <methodsynopsis>
   <type>true</type><methodname>intlcal_set_skipped_wall_time_option</methodname>
   <methodparam><type>IntlCalendar</type><parameter>calendar</parameter></methodparam>
   <methodparam><type>int</type><parameter>option</parameter></methodparam>
  </methodsynopsis>
  <para>
   Sets the current strategy for dealing with wall times that are skipped
   whenever the clock is forwarded during dailight saving time start transitions.
   The default value is <constant>IntlCalendar::WALLTIME_LAST</constant> (take
   it as being the same instant as the one when the wall time is one hour
   more).  Alternative values are
   <constant>IntlCalendar::WALLTIME_FIRST</constant> (same instant as the one
   with a wall time of one hour less) and
   <constant>IntlCalendar::WALLTIME_NEXT_VALID</constant> (same instant as
   when DST begins).
  </para>
  <para>
   This affects only the instant represented by the calendar (as reported by
   <function>IntlCalendar::getTime</function>), the field values will not be
   rewritten accordingly.
  </para>
  <para>
   The calendar must be <link linkend="intlcalendar.setlenient">lenient</link> for this option to have
   any effect, otherwise attempting to set a non-existing time will cause an
   error.
  </para>
  <para>
   This function requires ICU 4.9 or later.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>calendar</parameter></term>
    <listitem>
     &intl.parameter.intl-calendar;
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>option</parameter></term>
    <listitem>
     <para>
      One of the constants <constant>IntlCalendar::WALLTIME_FIRST</constant>,
      <constant>IntlCalendar::WALLTIME_LAST</constant> or
      <constant>IntlCalendar::WALLTIME_NEXT_VALID</constant>.     
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.true.always;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      &return.type.true;
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   See the example on
   <function>IntlCalendar::getSkippedWallTimeOption</function>.
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>intlCalendar::getSkippedWallTimeOption</methodname></member>
    <member><methodname>intlCalendar::setRepeatedWallTimeOption</methodname></member>
    <member><methodname>intlCalendar::getRepeatedWallTimeOption</methodname></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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