/// <summary>
/// Gets the approximate total days count for the specified <paramref name="calendar"/>.
/// Uses <see cref="DateTime.Today"/>'s year for the calculate.
/// </summary>
/// <param name="calendar">The calendar object.</param>
/// <returns>
/// Total days that this <see cref="DateTimeInterval"/> represents for the given <paramref name="calendar"/>.
/// </returns>
public int GetApproximateTotalDays(System.Globalization.Calendar calendar)
{
int approximate = this.days;
if (this.months > 0)
{
int monthsInYear = calendar.GetMonthsInYear(DateTime.Today.Year);
int daysInYear = calendar.GetDaysInYear(DateTime.Today.Year);
approximate += daysInYear / monthsInYear;
}
return(approximate);
}