/// <summary>
/// Gets the date.
/// </summary>
/// <param name="bytes">The bytes.</param>
/// <param name="index">The index.</param>
/// <returns>TimeZoneDate</returns>
private static TimeZoneDate GetDate(byte[] bytes, Int32 index)
{
TimeZoneDate TimeChange = new TimeZoneDate();
//int Year = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
TimeChange.Month = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
TimeChange.DayOfWeek = (DayOfWeek)BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
TimeChange.WeekOfMonth = BitConverter.ToInt16(bytes, index) - 1;
index += LENGTH_WORD;
int Hours = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
int Minutes = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
int Seconds = BitConverter.ToInt16(bytes, index);
//index += LENGTH_WORD;
//int Milliseconds = BitConverter.ToInt16(bytes, index);
TimeChange.TimeOfDay = new TimeSpan(Hours, Minutes, Seconds);
return(TimeChange);
}
/// <summary>
/// Gets the date time.
/// </summary>
/// <param name="TimeChange">The time change.</param>
/// <param name="year">The year.</param>
/// <returns></returns>
private DateTime GetDateTime(TimeZoneDate TimeChange, int year)
{
DateTime ChangeDay;
int MonthOffset = 0;
if (TimeChange.WeekOfMonth == 4)
{
int LastDay = DateTime.DaysInMonth(year, TimeChange.Month);
ChangeDay = new DateTime(year, TimeChange.Month, LastDay);
int MonthEnd = (int)ChangeDay.DayOfWeek;
int WeekDay = (int)TimeChange.DayOfWeek;
if (MonthEnd != WeekDay)
{
if (MonthEnd > WeekDay)
{
MonthOffset = 0 - (MonthEnd - WeekDay);
}
else
{
MonthOffset = 0 - (MonthEnd + 7 - WeekDay);
}
}
}
else
{
ChangeDay = new DateTime(year, TimeChange.Month, 1);
int MonthStart = (int)ChangeDay.DayOfWeek;
int WeekDay = (int)TimeChange.DayOfWeek;
if (MonthStart != WeekDay)
{
if (WeekDay > MonthStart)
{
MonthOffset = WeekDay - MonthStart;
}
else
{
MonthOffset = WeekDay + 7 - MonthStart;
}
}
MonthOffset += 7 * TimeChange.WeekOfMonth;
}
ChangeDay = ChangeDay.AddDays(MonthOffset);
ChangeDay = ChangeDay.Add(TimeChange.TimeOfDay);
return(ChangeDay);
}
/// <summary>
/// Gets the date.
/// </summary>
/// <param name="bytes">The bytes.</param>
/// <param name="index">The index.</param>
/// <returns>TimeZoneDate</returns>
private static TimeZoneDate GetDate(byte[] bytes, Int32 index)
{
TimeZoneDate TimeChange = new TimeZoneDate();
//int Year = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
TimeChange.Month = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
TimeChange.DayOfWeek = (DayOfWeek)BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
TimeChange.WeekOfMonth = BitConverter.ToInt16(bytes, index) - 1;
index += LENGTH_WORD;
int Hours = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
int Minutes = BitConverter.ToInt16(bytes, index);
index += LENGTH_WORD;
int Seconds = BitConverter.ToInt16(bytes, index);
//index += LENGTH_WORD;
//int Milliseconds = BitConverter.ToInt16(bytes, index);
TimeChange.TimeOfDay = new TimeSpan(Hours, Minutes, Seconds);
return TimeChange;
}
/// <summary>
/// Gets the date time.
/// </summary>
/// <param name="TimeChange">The time change.</param>
/// <param name="year">The year.</param>
/// <returns></returns>
private DateTime GetDateTime(TimeZoneDate TimeChange, int year)
{
DateTime ChangeDay;
int MonthOffset = 0;
if (TimeChange.WeekOfMonth == 4)
{
int LastDay = DateTime.DaysInMonth(year, TimeChange.Month);
ChangeDay = new DateTime(year, TimeChange.Month, LastDay);
int MonthEnd = (int)ChangeDay.DayOfWeek;
int WeekDay = (int)TimeChange.DayOfWeek;
if (MonthEnd != WeekDay)
{
if (MonthEnd > WeekDay)
{
MonthOffset = 0 - (MonthEnd - WeekDay);
}
else
{
MonthOffset = 0 - (MonthEnd + 7 - WeekDay);
}
}
}
else
{
ChangeDay = new DateTime(year, TimeChange.Month, 1);
int MonthStart = (int)ChangeDay.DayOfWeek;
int WeekDay = (int)TimeChange.DayOfWeek;
if (MonthStart != WeekDay)
{
if (WeekDay > MonthStart)
{
MonthOffset = WeekDay - MonthStart;
}
else
{
MonthOffset = WeekDay + 7 - MonthStart;
}
}
MonthOffset += 7 * TimeChange.WeekOfMonth;
}
ChangeDay = ChangeDay.AddDays(MonthOffset);
ChangeDay = ChangeDay.Add(TimeChange.TimeOfDay);
return ChangeDay;
}
