//
// Summary:
// Deserializes a 64-bit binary value and recreates an original serialized System.DateTime
// object.
//
// Parameters:
// dateData:
// A 64-bit signed integer that encodes the System.DateTime.Kind property in
// a 2-bit field and the System.DateTime.Ticks property in a 62-bit field.
//
// Returns:
// An object that is equivalent to the System.DateTime object that was serialized
// by the System.DateTime.ToBinary() method.
//
// Exceptions:
// System.ArgumentException:
// dateData is less than System.DateTime.MinValue or greater than System.DateTime.MaxValue.
//public static DateTime FromBinary(long dateData);
//
// Summary:
// Converts the specified Windows file time to an equivalent local time.
//
// Parameters:
// fileTime:
// A Windows file time expressed in ticks.
//
// Returns:
// An object that represents the local time equivalent of the date and time
// represented by the fileTime parameter.
//
// Exceptions:
// System.ArgumentOutOfRangeException:
// fileTime is less than 0 or represents a time greater than System.DateTime.MaxValue.
//public static DateTime FromFileTime(long fileTime);
//
// Summary:
// Converts the specified Windows file time to an equivalent UTC time.
//
// Parameters:
// fileTime:
// A Windows file time expressed in ticks.
//
// Returns:
// An object that represents the UTC time equivalent of the date and time represented
// by the fileTime parameter.
//
// Exceptions:
// System.ArgumentOutOfRangeException:
// fileTime is less than 0 or represents a time greater than System.DateTime.MaxValue.
//public static DateTime FromFileTimeUtc(long fileTime);
//
// Summary:
// Returns a System.DateTime equivalent to the specified OLE Automation Date.
//
// Parameters:
// d:
// An OLE Automation Date value.
//
// Returns:
// An object that represents the same date and time as d.
//
// Exceptions:
// System.ArgumentException:
// The date is not a valid OLE Automation Date value.
//public static DateTime FromOADate(double d);
//
// Summary:
// Converts the value of this instance to all the string representations supported
// by the standard date and time format specifiers.
//
// Returns:
// A string array where each element is the representation of the value of this
// instance formatted with one of the standard date and time format specifiers.
//public string[] GetDateTimeFormats();
//
// Summary:
// Converts the value of this instance to all the string representations supported
// by the specified standard date and time format specifier.
//
// Parameters:
// format:
// A standard date and time format string (see Remarks).
//
// Returns:
// A string array where each element is the representation of the value of this
// instance formatted with the format standard date and time format specifier.
//
// Exceptions:
// System.FormatException:
// format is not a valid standard date and time format specifier character.
//public string[] GetDateTimeFormats(char format);
//
// Summary:
// Converts the value of this instance to all the string representations supported
// by the standard date and time format specifiers and the specified culture-specific
// formatting information.
//
// Parameters:
// provider:
// An object that supplies culture-specific formatting information about this
// instance.
//
// Returns:
// A string array where each element is the representation of the value of this
// instance formatted with one of the standard date and time format specifiers.
//public string[] GetDateTimeFormats(IFormatProvider provider);
//
// Summary:
// Converts the value of this instance to all the string representations supported
// by the specified standard date and time format specifier and culture-specific
// formatting information.
//
// Parameters:
// format:
// A date and time format string (see Remarks).
//
// provider:
// An object that supplies culture-specific formatting information about this
// instance.
//
// Returns:
// A string array where each element is the representation of the value of this
// instance formatted with one of the standard date and time format specifiers.
//
// Exceptions:
// System.FormatException:
// format is not a valid standard date and time format specifier character.
//public string[] GetDateTimeFormats(char format, IFormatProvider provider);
//
// Summary:
// Returns the hash code for this instance.
//
// Returns:
// A 32-bit signed integer hash code.
//public override int GetHashCode();
//
// Summary:
// Returns the System.TypeCode for value type System.DateTime.
//
// Returns:
// The enumerated constant, System.TypeCode.DateTime.
//public TypeCode GetTypeCode();
//
// Summary:
// Indicates whether this instance of System.DateTime is within the daylight
// saving time range for the current time zone.
//
// Returns:
// true if System.DateTime.Kind is System.DateTimeKind.Local or System.DateTimeKind.Unspecified
// and the value of this instance of System.DateTime is within the daylight
// saving time range for the current time zone. false if System.DateTime.Kind
// is System.DateTimeKind.Utc.
//public bool IsDaylightSavingTime()
//{
//var calender = GetCalender();
//return calender
//}
//
// Summary:
// Returns an indication whether the specified year is a leap year.
//
// Parameters:
// year:
// A 4-digit year.
//
// Returns:
// true if year is a leap year; otherwise, false.
//
// Exceptions:
// System.ArgumentOutOfRangeException:
// year is less than 1 or greater than 9999.
public static bool IsLeapYear(int year)
{
var calender = new Java.Util.GregorianCalendar();
return calender.IsLeapYear(year);
}
private Java.Util.Calendar GetCalendar()
{
var millis = (ticks / TimeSpan.TicksPerMillisecond) - EraDifferenceInMs;
var calender = new Java.Util.GregorianCalendar();
if (Kind == DateTimeKind.Utc || Kind == DateTimeKind.Unspecified)
{
calender.SetTimeZone(TimeZone.GetTimeZone("UTC"));
}
calender.SetTimeInMillis(millis);
return calender;
}