/// <summary>
/// Returns a value indicating whether this instance is equal to the specified PersianDateTime instance.
/// </summary>
/// <param name="value">A PersianDateTime instance to compare to this instance.</param>
/// <returns>true if the value parameter equals the value of this instance; otherwise, false.</returns>
public bool Equals(PersianDateTime value)
{
if (object.ReferenceEquals(value, null))
{
return(false);
}
return(_dateTime.Equals(value._dateTime));
}
/// <summary>
/// Returns a new PersianDateTime that adds the specified number of years to the value of this instance.
/// </summary>
/// <param name="value">A number of years. The value parameter can be negative or positive.</param>
/// <returns>An object whose value is the sum of the date and time represented by this instance and the number of years represented by value.</returns>
public PersianDateTime AddYears(int value)
{
var newYear = Year + value;
var daysInNewMonth = PersianDateTime.GetDaysInMonth(newYear, Month);
var newDay = daysInNewMonth < Day ? daysInNewMonth : Day;
return(new PersianDateTime(Year + value, Month, Day).Add(TimeOfDay));
}
/// <summary>
/// Returns a new PersianDateTime that adds the specified number of months to the value of this instance.
/// </summary>
/// <param name="value">A number of months. The months parameter can be negative or positive.</param>
/// <returns>An object whose value is the sum of the date and time represented by this instance and months.</returns>
public PersianDateTime AddMonths(int value)
{
var months = Month + value;
var newYear = Year + (months > 0 ? (months - 1) / 12 : months / 12 - 1);
var newMonth = months > 0 ? (months - 1) % 12 + 1 : months % 12 + 12;
var daysInNewMonth = PersianDateTime.GetDaysInMonth(newYear, newMonth);
var newDay = daysInNewMonth < Day ? daysInNewMonth : Day;
return(new PersianDateTime(newYear, newMonth, newDay).Add(TimeOfDay));
}
/// <summary>
/// تبدیل تاریخ شمسی به میلادی
/// </summary>
/// <param name="dt">تاریخ شمسی</param>
/// <returns> 9/3/2017 3:16:29 PM </returns>
public static DateTime ToDateTime(this PersianDateTime dt)
{
return(dt.ToDateTime());
}
/// <summary>
/// تبدیل تاریخ شمسی به شمسی
/// </summary>
/// <param name="dt">تاریخ شمسی</param>
/// <returns> یکشنبه 12 شهریور 1396 </returns>
public static string ToPersianDateString(this PersianDateTime dt)
{
return(dt.ToString("dddd d MMMM yyyy"));
}
/// <summary>
/// تبدیل تاریخ میلادی به شمسی
/// </summary>
/// <param name="dt">تاریخ میلادی</param>
/// <returns> 1396/06/12 15:16:29 </returns>
public static string ToPersianDigitalDateTimeString(this DateTime dt)
{
var pd = new PersianDateTime(dt);
return(pd.ToString("yyyy/MM/d H:mm:ss"));
}
/// <summary>
/// تبدیل تاریخ میلادی به شمسی
/// </summary>
/// <param name="dt">تاریخ میلادی</param>
/// <returns> 1396/06/12 15:16:29 </returns>
public static PersianDateTime ToPersianDateTime(this DateTime dt)
{
PersianDateTime persiandate = new PersianDateTime(dt);
return(persiandate);
}
/// <summary>
/// تبدیل تاریخ میلادی به شمسی
/// </summary>
/// <param name="dt">تاریخ میلادی</param>
/// <returns> یکشنبه 12 شهریور 1396 </returns>
public static string ToPersianDateString(this DateTime dt)
{
var pd = new PersianDateTime(dt);
return(pd.ToString("dddd d MMMM yyyy"));
}
/// <summary>
/// تبدیل تاریخ شمسی به شمسی
/// </summary>
/// <param name="dt">تاریخ شمسی</param>
/// <returns>1396/06/12</returns>
public static string ToPersianDigitalDateString(this PersianDateTime dt)
{
return(dt.ToString("yyyy/MM/d"));
}