528 lines
16 KiB
C#
528 lines
16 KiB
C#
// System.Globalization.KoreanCalendar.cs
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//
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// (C) Ulrich Kunitz 2002
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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namespace System.Globalization {
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using System;
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using System.Runtime.InteropServices;
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/// <summary>
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/// This is the Korean calendar. It differs from the Gegorian calendar only
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/// in the year counting.
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/// </summary>
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/// <remarks>
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/// <para>The implementation uses the
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/// <see cref="N:CalendricalCalculations"/> namespace.
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/// </para>
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/// </remarks>
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[Serializable]
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[ComVisible (true)]
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[MonoLimitation ("Serialization format not compatible with .NET")]
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public class KoreanCalendar : Calendar {
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/// <summary>
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/// Static protected field storing the
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/// <see cref="T:CalendricalCalculations.GregorianEraHandler"/>.
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/// </summary>
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internal static readonly CCGregorianEraHandler M_EraHandler;
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/// <variable>
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/// The standard era for the <see cref="T:KoreanCalendar"/>.
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/// </variable>
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public const int KoreanEra = 1;
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/// <summary>
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/// Static constructor, who creates and initializes
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/// <see cref="F:M_EraHandler"/>.
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/// </summary>
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static KoreanCalendar() {
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M_EraHandler = new CCGregorianEraHandler();
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M_EraHandler.appendEra(KoreanEra,
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CCGregorianCalendar.fixed_from_dmy(1, 1, -2332));
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}
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/// <summary>
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/// Default constructor.
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/// </summary>
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public KoreanCalendar() {
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M_AbbrEraNames = new string[] {"K.C.E."};
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M_EraNames = new string[] {"Korean Current Era"};
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if (twoDigitYearMax == 99)
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twoDigitYearMax = 4362;
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}
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/// <value>Overridden. Gives the eras supported by the
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/// calendar as an array of integers.
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/// </value>
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public override int[] Eras {
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get {
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return (int[])M_EraHandler.Eras.Clone();
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}
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}
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public override int TwoDigitYearMax
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{
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get {
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return twoDigitYearMax;
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}
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set {
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CheckReadOnly ();
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M_ArgumentInRange ("value", value, 100, M_MaxYear);
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twoDigitYearMax = value;
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}
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}
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/// <summary>
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/// A protected method checking the era number.
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/// </summary>
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/// <param name="era">The era number as reference. It is set
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/// to <see cref="F:CurrentEra"/>, if the input value is 0.</param>
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/// <exception name="T:System.ArgumentException">
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/// The exception is thrown if the era is not supported by the class.
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/// </exception>
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internal void M_CheckEra(ref int era) {
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if (era == CurrentEra)
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era = KoreanEra;
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if (!M_EraHandler.ValidEra(era))
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throw new ArgumentException("Era value was not valid.");
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}
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/// <summary>
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/// A protected method checking calendar year and the era number.
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/// </summary>
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/// <param name="year">An integer representing the calendar year.
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/// </param>
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/// <param name="era">The era number as reference.</param>
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/// <exception name="T:System.ArgumentException">
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/// The exception is thrown if the era is not supported by the class.
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/// </exception>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown if the calendar year is outside of
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/// the supported range.
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/// </exception>
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internal int M_CheckYEG(int year, ref int era) {
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M_CheckEra(ref era);
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return M_EraHandler.GregorianYear(year, era);
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}
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/// <summary>
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/// Checks whether the year is the era is valid, if era = CurrentEra
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/// the right value is set.
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/// </summary>
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/// <param name="year">The year to check.</param>
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/// <param name="era">The era to check.</Param>
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/// <exception cref="T:ArgumentOutOfRangeException">
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/// The exception will be thrown, if the year is not valid.
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/// </exception>
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internal override void M_CheckYE(int year, ref int era) {
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M_CheckYEG(year, ref era);
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}
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/// <summary>
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/// A protected method checking the calendar year, month, and
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/// era number.
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/// </summary>
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/// <param name="year">An integer representing the calendar year.
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/// </param>
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/// <param name="month">An integer giving the calendar month.
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/// </param>
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/// <param name="era">The era number as reference.</param>
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/// <exception name="T:System.ArgumentException">
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/// The exception is thrown if the era is not supported by the class.
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/// </exception>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown if the calendar year or month is
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/// outside of the supported range.
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/// </exception>
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internal int M_CheckYMEG(int year, int month, ref int era) {
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int gregorianYear = M_CheckYEG(year, ref era);
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if (month < 1 || month > 12)
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throw new ArgumentOutOfRangeException("month",
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"Month must be between one and twelve.");
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return gregorianYear;
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}
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/// <summary>
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/// A protected method checking the calendar day, month, and year
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/// and the era number.
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/// </summary>
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/// <param name="year">An integer representing the calendar year.
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/// </param>
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/// <param name="month">An integer giving the calendar month.
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/// </param>
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/// <param name="day">An integer giving the calendar day.
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/// </param>
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/// <param name="era">The era number as reference.</param>
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/// <exception name="T:System.ArgumentException">
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/// The exception is thrown if the era is not supported by the class.
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/// </exception>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown if the calendar year, month, or day is
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/// outside of the supported range.
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/// </exception>
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internal int M_CheckYMDEG(int year, int month, int day, ref int era)
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{
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int gregorianYear = M_CheckYMEG(year, month, ref era);
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M_ArgumentInRange("day", day, 1,
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GetDaysInMonth(year, month, era));
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return gregorianYear;
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}
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/// <summary>
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/// Overrideden. Adds months to a given date.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> to which to add
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/// months.
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/// </param>
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/// <param name="months">The number of months to add.</param>
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/// <returns>A new <see cref="T:System.DateTime"/> value, that
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/// results from adding <paramref name="months"/> to the specified
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/// DateTime.</returns>
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public override DateTime AddMonths(DateTime time, int months) {
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return CCGregorianCalendar.AddMonths(time, months);
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}
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/// <summary>
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/// Overridden. Adds years to a given date.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> to which to add
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/// years.
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/// </param>
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/// <param name="years">The number of years to add.</param>
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/// <returns>A new <see cref="T:System.DateTime"/> value, that
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/// results from adding <paramref name="years"/> to the specified
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/// DateTime.</returns>
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public override DateTime AddYears(DateTime time, int years) {
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return CCGregorianCalendar.AddYears(time, years);
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}
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/// <summary>
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/// Overriden. Gets the day of the month from
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/// <paramref name="time"/>.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> that specifies a
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/// date.
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/// </param>
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/// <returns>An integer giving the day of months, starting with 1.
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/// </returns>
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public override int GetDayOfMonth(DateTime time) {
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return CCGregorianCalendar.GetDayOfMonth(time);
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}
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/// <summary>
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/// Overriden. Gets the day of the week from the specified date.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> that specifies a
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/// date.
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/// </param>
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/// <returns>An integer giving the day of months, starting with 1.
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/// </returns>
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public override DayOfWeek GetDayOfWeek(DateTime time) {
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int rd = CCFixed.FromDateTime(time);
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return (DayOfWeek)CCFixed.day_of_week(rd);
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}
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/// <summary>
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/// Overridden. Gives the number of the day in the year.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> that specifies a
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/// date.
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/// </param>
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/// <returns>An integer representing the day of the year,
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/// starting with 1.</returns>
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public override int GetDayOfYear(DateTime time) {
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return CCGregorianCalendar.GetDayOfYear(time);
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}
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/// <summary>
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/// Overridden. Gives the number of days in the specified month
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/// of the given year and era.
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/// </summary>
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/// <param name="year">An integer that gives the year.
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/// </param>
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/// <param name="month">An integer that gives the month, starting
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/// with 1.</param>
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/// <param name="era">An integer that gives the era of the specified
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/// year.</param>
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/// <returns>An integer that gives the number of days of the
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/// specified month.</returns>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown, if <paramref name="month"/>,
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/// <paramref name="year"/> ,or <paramref name="era"/> is outside
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/// the allowed range.
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/// </exception>
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public override int GetDaysInMonth(int year, int month, int era) {
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int gregorianYear = M_CheckYMEG(year, month, ref era);
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return CCGregorianCalendar.GetDaysInMonth(gregorianYear, month);
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}
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/// <summary>
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/// Overridden. Gives the number of days of the specified
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/// year of the given era.
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/// </summary>
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/// <param name="year">An integer that specifies the year.
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/// </param>
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/// <param name="era">An ineger that specifies the era.
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/// </param>
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/// <returns>An integer that gives the number of days of the
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/// specified year.</returns>
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/// <exception cref="T:System.ArgumentOutOfRangeExceiption">
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/// The exception is thrown, if
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/// <paramref name="year"/> or <paramref name="era"/> are outside the
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/// allowed range.
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/// </exception>
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public override int GetDaysInYear(int year, int era) {
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int gregorianYear = M_CheckYEG(year, ref era);
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return CCGregorianCalendar.GetDaysInYear(gregorianYear);
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}
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/// <summary>
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/// Overridden. Gives the era of the specified date.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> that specifies a
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/// date.
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/// </param>
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/// <returns>An integer representing the era of the calendar.
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/// </returns>
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public override int GetEra(DateTime time) {
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int rd = CCFixed.FromDateTime(time);
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int era;
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M_EraHandler.EraYear(out era, rd);
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return era;
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}
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[ComVisible (false)]
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public override int GetLeapMonth (int year, int era)
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{
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return 0;
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}
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/// <summary>
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/// Overridden. Gives the number of the month of the specified
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/// date.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> that specifies a
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/// date.
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/// </param>
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/// <returns>An integer representing the month,
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/// starting with 1.</returns>
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public override int GetMonth(DateTime time) {
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return CCGregorianCalendar.GetMonth(time);
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}
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/// <summary>
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/// Overridden. Gives the number of months in the specified year
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/// and era.
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/// </summary>
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/// <param name="year">An integer that specifies the year.
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/// </param>
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/// <param name="era">An integer that specifies the era.
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/// </param>
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/// <returns>An integer that gives the number of the months in the
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/// specified year.</returns>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown, if the year or the era are not valid.
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/// </exception>
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public override int GetMonthsInYear(int year, int era) {
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M_CheckYEG(year, ref era);
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return 12;
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}
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[ComVisible (false)]
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public override int GetWeekOfYear (DateTime time, CalendarWeekRule rule, DayOfWeek firstDayOfWeek)
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{
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return base.GetWeekOfYear (time, rule, firstDayOfWeek);
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}
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/// <summary>
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/// Overridden. Gives the number of the year of the specified
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/// date.
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/// </summary>
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/// <param name="time">The
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/// <see cref="T:System.DateTime"/> that specifies a
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/// date.
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/// </param>
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/// <returns>An integer representing the year,
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/// starting with 1.</returns>
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public override int GetYear(DateTime time) {
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int rd = CCFixed.FromDateTime(time);
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int era;
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return M_EraHandler.EraYear(out era, rd);
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}
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/// <summary>
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/// Overridden. Tells whether the given day
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/// is a leap day.
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/// </summary>
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/// <param name="year">An integer that specifies the year in the
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/// given era.
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/// </param>
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/// <param name="month">An integer that specifies the month.
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/// </param>
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/// <param name="day">An integer that specifies the day.
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/// </param>
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/// <param name="era">An integer that specifies the era.
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/// </param>
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/// <returns>A boolean that tells whether the given day is a leap
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/// day.
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/// </returns>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown, if the year, month, day, or era is not
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/// valid.
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/// </exception>
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public override bool IsLeapDay(int year, int month, int day, int era)
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{
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int gregorianYear = M_CheckYMDEG(year, month, day, ref era);
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return CCGregorianCalendar.IsLeapDay(gregorianYear, month, day);
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}
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/// <summary>
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/// Overridden. Tells whether the given month
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/// is a leap month.
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/// </summary>
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/// <param name="year">An integer that specifies the year in the
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/// given era.
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/// </param>
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/// <param name="month">An integer that specifies the month.
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/// </param>
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/// <param name="era">An integer that specifies the era.
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/// </param>
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/// <returns>A boolean that tells whether the given month is a leap
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/// month.
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/// </returns>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown, if the year, month, or era is not
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/// valid.
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/// </exception>
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public override bool IsLeapMonth(int year, int month, int era) {
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M_CheckYMEG(year, month, ref era);
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return false;
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}
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/// <summary>
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/// Overridden. Tells whether the given year
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/// is a leap year.
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/// </summary>
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/// <param name="year">An integer that specifies the year in the
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/// given era.
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/// </param>
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/// <param name="era">An integer that specifies the era.
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/// </param>
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/// <returns>A boolean that tells whether the given year is a leap
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/// year.
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/// </returns>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown, if the year or era is not
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/// valid.
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/// </exception>
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public override bool IsLeapYear(int year, int era) {
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int gregorianYear = M_CheckYEG(year, ref era);
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return CCGregorianCalendar.is_leap_year(gregorianYear);
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}
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/// <summary>
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/// Overridden. Creates the
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/// <see cref="T:System.DateTime"/> from the parameters.
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/// </summary>
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/// <param name="year">An integer that gives the year in the
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/// <paramref name="era"/>.
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/// </param>
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/// <param name="month">An integer that specifies the month.
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/// </param>
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/// <param name="day">An integer that specifies the day.
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/// </param>
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/// <param name="hour">An integer that specifies the hour.
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/// </param>
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/// <param name="minute">An integer that specifies the minute.
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/// </param>
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/// <param name="second">An integer that gives the second.
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/// </param>
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/// <param name="milliseconds">An integer that gives the
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/// milliseconds.
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/// </param>
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/// <param name="era">An integer that specifies the era.
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/// </param>
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/// <returns>A
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/// <see cref="T:system.DateTime"/> representig the date and time.
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/// </returns>
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/// <exception cref="T:System.ArgumentOutOfRangeException">
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/// The exception is thrown, if at least one of the parameters
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/// is out of range.
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/// </exception>
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public override DateTime ToDateTime(int year, int month, int day,
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int hour, int minute, int second, int millisecond,
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int era)
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{
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int gregorianYear = M_CheckYMDEG(year, month, day, ref era);
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M_CheckHMSM(hour, minute, second, millisecond);
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return CCGregorianCalendar.ToDateTime(gregorianYear,
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month, day, hour, minute, second, millisecond);
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}
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public override int ToFourDigitYear(int year)
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{
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return base.ToFourDigitYear (year);
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}
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#if !NET_2_1
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[ComVisible (false)]
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public override CalendarAlgorithmType AlgorithmType {
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get {
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return CalendarAlgorithmType.SolarCalendar;
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}
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}
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#endif
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static DateTime KoreanMin = new DateTime (1, 1, 1, 0, 0, 0);
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static DateTime KoreanMax = new DateTime (9999, 12, 31, 11, 59, 59);
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[ComVisible (false)]
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public override DateTime MinSupportedDateTime {
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get {
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return KoreanMin;
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}
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}
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[ComVisible (false)]
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public override DateTime MaxSupportedDateTime {
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get {
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return KoreanMax;
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}
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}
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} // class KoreanCalendar
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} // namespace System.Globalization
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