/// <summary> /// Returns the daylight changes for UTC (never). /// </summary> public override DaylightTime GetDaylightChanges(int year) { // We need a start and stop time DateTime start, end; Calendar cal = new GregorianCalendar(); // 2007+ at this point has a slightly different start/stop if (year >= 2007) { start = new DateTime(year, 4, 1, 2, 0, 0); end = new DateTime(year, 11, 1, 2, 0, 0); } else { start = new DateTime(year, 3, 1, 2, 0, 0); end = new DateTime(year, 12, 1, 2, 0, 0); } // Move forward for the start date until we have a sunday while (cal.GetDayOfWeek(start) != DayOfWeek.Sunday) start = cal.AddDays(start, 1); // Move backwards from the end date to the last sunday while (cal.GetDayOfWeek(end) != DayOfWeek.Sunday) start = cal.AddDays(end, 1); // Create it return new DaylightTime(start, end, new TimeSpan(stOffset - dtOffset, 0, 0)); }
public async Task <List <IndicatorData> > LastWeek() { var dt = DateTime.Now; var dtSunday = new System.Globalization.GregorianCalendar().AddDays(dt, -((int)dt.DayOfWeek) - 7); var dtFriday = dtSunday.AddDays(6); return(await this.dbContext.Set <IndicatorData>() .Where(r => r.ReleaseDateTime >= dtSunday && r.ReleaseDateTime <= dtFriday) .OrderBy(r => r.ReleaseDateTime) .ToListAsync()); }
/// <summary> /// Inherited code: Requires comment. /// </summary> /// <param name="time">Inherited code: Requires comment 1.</param> /// <param name="days">Inherited code: Requires comment 2.</param> /// <returns>Inherited code: Requires comment 3.</returns> public static DateTime? AddDays(DateTime time, int days) { System.Globalization.Calendar cal = new GregorianCalendar(); try { return cal.AddDays(time, days); } catch (ArgumentException) { return null; } }
private bool ParseTrek(ClockToken[] dt, ref System.Int32 parsePos, TclDateTime calendar) // calendar object to set { int pos = parsePos; if (pos + 3 < dt.Length && dt[pos].is_Renamed(ClockToken.STARDATE) && dt[pos + 1].UNumber && dt[pos + 2].is_Renamed('.') && dt[pos + 3].UNumber) { GregorianCalendar gcal = new GregorianCalendar(); int trekYear = dt[pos + 1].Int / 1000 + 2323 - 377; int trekDay = 1 + ((dt[pos + 1].Int % 1000) * (gcal.IsLeapYear(trekYear) ? 366 : 365)) / 1000; int trekSeconds = dt[pos + 3].Int * 144 * 60; calendar.year = trekYear; calendar.dateTime = gcal.AddDays(calendar.dateTime, trekDay); calendar.second = trekSeconds; parsePos = pos + 4; return true; } return false; }
private void VerifySelectDaySingleRangeMouseHover(Calendar calendar) { //Assumes that the Calendar is Gregorian CalendarDayButton b; System.Globalization.Calendar cal = new GregorianCalendar(); int start, end; DateTime r1, r2; r1 = new DateTime(2003, 10, 10); r2 = new DateTime(2003, 11, 1); Clear(); calendar.DisplayDate = r1; b = calendar.FindDayButtonFromDay(r1); start = b.Index; calendar.TestHook.MonthControl.TestHook.Cell_MouseLeftButtonDown(b, null); calendar.TestHook.MonthControl.TestHook.Cell_MouseLeave(b, null); while (DateTime.Compare(r2, r1) > 0) { r1 = cal.AddDays(r1, 1); b = calendar.FindDayButtonFromDay(r1); calendar.TestHook.MonthControl.TestHook.Cell_MouseEnter(b, null); calendar.TestHook.MonthControl.TestHook.Cell_MouseLeave(b, null); } end = b.Index; Assert.IsTrue(calendar.SelectedDates.Count == 0); //check if the buttons are highlighted for (int i = start; i <= end; i++) { Assert.IsTrue(((CalendarDayButton)calendar.TestHook.MonthControl.MonthView.Children[i]).IsSelected); } b = calendar.FindDayButtonFromDay(r2); calendar.TestHook.MonthControl.TestHook.Cell_MouseLeftButtonUp(b, null); Assert.IsTrue(_addedDays.Count == 23); Assert.IsTrue(_eventCount == 1); Assert.IsTrue(DateTimeHelper.CompareYearMonth(calendar.DisplayDate, r2) == 0); Assert.IsTrue(calendar.SelectedDates.Count == 23); Assert.IsTrue(CompareDates(calendar.SelectedDates[0], calendar.SelectedDate.Value)); _isLoaded = false; }
private void ProcessUpKey() { System.Globalization.Calendar _cal = new GregorianCalendar(); if (this.DisplayMode == CalendarMode.Month) { DateTime selectedDate = _cal.AddDays(this.SelectedDate.GetValueOrDefault(DateTime.Today), -7); if (IsValidDate(this, selectedDate)) { OnDayClick(selectedDate); } } else { Debug.Assert(this.DisplayMode == CalendarMode.Year); DateTime selectedMonth = _cal.AddMonths(this._selectedMonth, -4); OnSelectedMonthChanged(selectedMonth); } }
private void ProcessEndKey() { System.Globalization.Calendar _cal = new GregorianCalendar(); if (this.DisplayMode == CalendarMode.Month) { if (this.DisplayDate != null) { DateTime selectedDate = new DateTime(((DateTime)this.DisplayDate).Year, ((DateTime)this.DisplayDate).Month, 1); selectedDate = _cal.AddMonths(selectedDate, 1); selectedDate = _cal.AddDays(selectedDate, -1); if (IsValidDate(this, selectedDate)) { OnDayClick(selectedDate); } } } else { Debug.Assert(this.DisplayMode == CalendarMode.Year); DateTime selectedMonth = new DateTime(this._selectedMonth.Year, 12, 1); OnSelectedMonthChanged(selectedMonth); } }