/// <summary>
/// Returns the result of comparing this instance to another <b>DateValue</b>.
/// </summary>
/// <param name="other">The <b>DateValue</b> instance to compare with.</param>
/// <returns>An integer value indicating the relative ordering.</returns>
public int CompareTo(DateValue other)
{
return (date - other.date);
}
/// <summary>
/// Determines if this <b>DateValue</b> instance and another instance hold
/// the same date.
/// </summary>
/// <param name="other">The <b>DateValue</b> instance to compare with.</param>
/// <returns><b>true</b> if both instances represent the same date,
/// <b>false</b> otherwise.</returns>
public bool Equals(DateValue other)
{
return (date == other.date);
}
/// <summary>
/// Constructs a <b>DateTime</b> instance from its date, time and
/// time zone components.
/// </summary>
/// <param name="dateValue">The <see cref="DateValue"/> component.</param>
/// <param name="timeValue">The <see cref="TimeValue"/> component.</param>
/// <param name="timeZone">The <see cref="TimeZone"/> component or <b>null</b>.</param>
internal DateTime(DateValue dateValue, TimeValue timeValue, TimeZone timeZone)
: base(timeZone)
{
this.dateValue = dateValue;
this.timeValue = timeValue;
}
/// <summary>
/// Constructs a <b>DateTime</b> instance from its date, time and
/// time zone components.
/// </summary>
/// <param name="dateValue">The <see cref="DateValue"/> component.</param>
/// <param name="timeValue">The <see cref="TimeValue"/> component.</param>
/// <param name="timeZone">The <see cref="TimeZone"/> component or <b>null</b>.</param>
internal DateTime(DateValue dateValue, TimeValue timeValue, TimeZone timeZone)
: base(timeZone)
{
this.dateValue = dateValue;
this.timeValue = timeValue;
}
/// <summary>
/// Returns the number of days in the given month for the specified
/// year.
/// </summary>
/// <param name="month">The month number (1-12).</param>
/// <param name="year">The year (1900-2099).</param>
/// <returns>The length of the given month in the specified year.</returns>
public static int MonthLength(int month, int year)
{
return(DateValue.MonthLength(month, year));
}
/// <summary>
/// Returns the number of days in the given month in a leap or non-leap
/// year.
/// </summary>
/// <param name="month">The month number (1-12).</param>
/// <param name="leapYear">Flag to indicate a leap year.</param>
/// <returns>The length of the given month in the indicated type of
/// year.</returns>
public static int MonthLength(int month, bool leapYear)
{
return(DateValue.MonthLength(month, leapYear));
}
/// <summary>
/// Determines if a year is a leap year.
/// </summary>
/// <param name="year">The year to test (1900-2099)</param>
/// <returns><c>true</c> if the year is a leap year, <c>false</c>
/// otherwise.</returns>
public static bool IsLeapYear(int year)
{
return(DateValue.IsLeapYear(year));
}