| public static dmy_from_fixed ( int &day, int &month, int &year, int date ) : void | ||
| day | int | The output value returning the day of the /// month. /// |
| month | int | The output value giving the Islamic month. /// |
| year | int | The output value giving the Islamic year. /// |
| date | int | An integer value specifying the fixed day /// number. |
| return | void | |
/// <summary>
/// A protected method checking an
/// <see cref="F:AddHijriDate"/> adjusted fixed day number.
/// </summary>
/// <param name="param">A string giving the name of the parameter
/// to check.</param>
/// <param name="rdHijri">An integer giving the AddHijriDate adjusted
/// fixed day number.
/// </param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// Exception is thrown, if the AddHijriDate adjusted fixed day
/// number is outside the supported range.
/// </exception>
internal void M_CheckFixedHijri(string param, int rdHijri)
{
if (rdHijri < M_MinFixed || rdHijri > M_MaxFixed - AddHijriDate)
{
StringWriter sw = new StringWriter();
int day, month, year;
CCHijriCalendar.dmy_from_fixed(out day, out month,
out year, M_MaxFixed - AddHijriDate);
if (AddHijriDate != 0)
{
sw.Write("This HijriCalendar " +
"(AddHijriDate {0})" +
" allows dates from 1. 1. 1 to " +
"{1}. {2}. {3}.",
AddHijriDate,
day, month, year);
}
else
{
sw.Write("HijriCalendar allows dates from " +
"1.1.1 to {0}.{1}.{2}.",
day, month, year);
}
throw new ArgumentOutOfRangeException(param,
sw.ToString());
}
}
internal void M_CheckFixedHijri(string param, int rdHijri)
{
if (rdHijri < UmAlQuraCalendar.M_MinFixed || rdHijri > UmAlQuraCalendar.M_MaxFixed - this.AddHijriDate)
{
StringWriter stringWriter = new StringWriter();
int num;
int num2;
int num3;
CCHijriCalendar.dmy_from_fixed(out num, out num2, out num3, UmAlQuraCalendar.M_MaxFixed - this.AddHijriDate);
if (this.AddHijriDate != 0)
{
stringWriter.Write("This HijriCalendar (AddHijriDate {0}) allows dates from 1. 1. 1 to {1}. {2}. {3}.", new object[]
{
this.AddHijriDate,
num,
num2,
num3
});
}
else
{
stringWriter.Write("HijriCalendar allows dates from 1.1.1 to {0}.{1}.{2}.", num, num2, num3);
}
throw new ArgumentOutOfRangeException(param, stringWriter.ToString());
}
}
public static int day_from_fixed(int date)
{
int result;
int num;
int num2;
CCHijriCalendar.dmy_from_fixed(out result, out num, out num2, date);
return(result);
}
/// <summary>Calculates a date that is a specified number of years away from a specified initial date.</summary>
/// <returns>A <see cref="T:System.DateTime" /> that represents the date yielded by adding the number of years specified by the <paramref name="years" /> parameter to the date specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add years. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <param name="years">The positive or negative number of years to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting date is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="years" /> is less than -10,000 or greater than 10,000. -or-<paramref name="time" /> is outside the range supported by this calendar.</exception>
public override DateTime AddYears(DateTime time, int years)
{
int num = this.M_FromDateTime(time);
int day;
int month;
int num2;
CCHijriCalendar.dmy_from_fixed(out day, out month, out num2, num);
num2 += years;
num = CCHijriCalendar.fixed_from_dmy(day, month, num2);
this.M_CheckFixedHijri("time", num);
return(this.M_ToDateTime(num).Add(time.TimeOfDay));
}
/// <summary>
/// Overrideden. Adds years to a given date.
/// </summary>
/// <param name="time">The
/// <see cref="T:System.DateTime"/> to which to add
/// years.
/// </param>
/// <param name="years">The number of years to add.</param>
/// <returns>A new <see cref="T:System.DateTime"/> value, that
/// results from adding <paramref name="years"/> to the specified
/// DateTime.</returns>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// The exception is thrown if the
/// <see cref="T:System.DateTime"/> return value is not in the
/// supported range of the Hijri calendar.
/// </exception>
public override DateTime AddYears(DateTime time, int years)
{
int rd = M_FromDateTime(time);
int day, month, year;
CCHijriCalendar.dmy_from_fixed(
out day, out month, out year, rd);
year += years;
rd = CCHijriCalendar.fixed_from_dmy(day, month, year);
M_CheckFixedHijri("time", rd);
DateTime t = M_ToDateTime(rd);
return(t.Add(time.TimeOfDay));
}
/// <summary>Calculates a date that is a specified number of months away from a specified initial date.</summary>
/// <returns>A <see cref="T:System.DateTime" /> that represents the date yielded by adding the number of months specified by the <paramref name="months" /> parameter to the date specified by the <paramref name="time" /> parameter.</returns>
/// <param name="time">The <see cref="T:System.DateTime" /> to which to add months. The <see cref="T:System.Globalization.UmAlQuraCalendar" /> class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 05/13/2029 23:59:59 (Gregorian date).</param>
/// <param name="months">The positive or negative number of months to add. </param>
/// <exception cref="T:System.ArgumentException">The resulting date is outside the range supported by the <see cref="T:System.Globalization.UmAlQuraCalendar" /> class. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="months" /> is less than -120,000 or greater than 120,000. -or-<paramref name="time" /> is outside the range supported by this calendar.</exception>
public override DateTime AddMonths(DateTime time, int months)
{
int num = this.M_FromDateTime(time);
int day;
int num2;
int num3;
CCHijriCalendar.dmy_from_fixed(out day, out num2, out num3, num);
num2 += months;
num3 += CCMath.div_mod(out num2, num2, 12);
num = CCHijriCalendar.fixed_from_dmy(day, num2, num3);
this.M_CheckFixedHijri("time", num);
return(this.M_ToDateTime(num).Add(time.TimeOfDay));
}