private void UpdateCurSel(DateTime newDate, bool redraw, int monthIndex, bool setNone)
{
bool isNone = this.m_isNone;
this.m_isNone = setNone;
bool flag2 = (this.m_curSel.Month != newDate.Month) || (this.m_curSel.Year != newDate.Year);
DateTime curSel = this.m_curSel;
DateTime date = newDate;
MonthChangeBeforeEventArgs e = new MonthChangeBeforeEventArgs(curSel, newDate);
if (flag2)
{
this.OnMonthChangeBefore(e);
newDate = e.NewDate;
}
bool flag3 = ((this.m_curSel != newDate) || (this.m_isNone != isNone)) ? !e.Cancel : false;
if ((newDate >= this.MinDate) && (newDate <= this.MaxDate))
{
DateTime time3 = this.m_curSel;
if (!e.Cancel)
{
this.m_curSel = newDate;
this.m_hoverSel = newDate;
}
if (!e.Cancel)
{
if (monthIndex == -1)
{
if ((this.m_curYear == -1) || (this.m_curMonth == -1))
{
this.m_curMonth = newDate.Month;
this.m_curYear = newDate.Year;
this.CalculateDays(this.m_monthCount);
redraw = true;
}
else
{
DateTime time4 = new DateTime(this.m_curYear, this.m_curMonth, 1);
if ((newDate < time4) || (newDate >= time4.AddMonths(this.m_monthCount)))
{
if (newDate < time4)
{
this.m_curMonth = newDate.Month;
this.m_curYear = newDate.Year;
}
if (newDate >= time4.AddMonths(this.m_monthCount))
{
DateTime time5 = newDate.AddMonths(-(this.m_monthCount - 1));
this.m_curMonth = time5.Month;
this.m_curYear = time5.Year;
}
this.CalculateDays(this.m_monthCount);
redraw = true;
}
else
{
redraw = false;
}
}
}
else
{
DateTime time6 = newDate.AddMonths(-monthIndex);
this.m_curMonth = time6.Month;
this.m_curYear = time6.Year;
this.CalculateDays(this.m_monthCount);
redraw = true;
}
}
if (base.Visible && (this.m_graphics != null))
{
if (redraw)
{
this.m_redraw = true;
}
else
{
if (e.Cancel || (newDate != date))
{
int mIndex = this.GetMonthIndex(date);
int dayIndex = this.GetDayIndex(date, mIndex);
if (this.IsInsideAnyGrid(mIndex, dayIndex))
{
if (this.DaysGrid)
{
this.DrawHoverSelection(this.m_graphics, date, false);
}
this.DrawDay(this.m_graphics, date, false, true, false, this.m_layout.GetMonthLayout(mIndex).GetCellBounds(dayIndex), mIndex);
}
this.RedrawBrokenBorders(mIndex, dayIndex);
}
if (!e.Cancel)
{
int num3 = this.GetMonthIndex(time3);
int num4 = this.GetDayIndex(time3, num3);
if (this.IsInsideAnyGrid(num3, num4))
{
if (this.DaysGrid)
{
this.DrawHoverSelection(this.m_graphics, time3, false);
}
this.DrawDay(this.m_graphics, time3, false, true, false, this.m_layout.GetMonthLayout(num3).GetCellBounds(num4), num3);
}
this.RedrawBrokenBorders(num3, num4);
if (!setNone)
{
num3 = this.GetMonthIndex(newDate);
num4 = this.GetDayIndex(newDate, num3);
if (this.IsInsideAnyGrid(num3, num4))
{
this.DrawDay(this.m_graphics, newDate, true, true, false, this.m_layout.GetMonthLayout(num3).GetCellBounds(num4), num3);
}
}
this.DrawTodaySelection(this.m_graphics);
if (!setNone)
{
this.DrawHoverSelection(this.m_graphics, newDate, true);
}
}
}
base.Invalidate();
}
if (!e.Cancel && flag2)
{
this.OnMonthChangeAfter(new MonthChangeAfterEventArgs(curSel, newDate));
}
if ((this.ValueChanged != null) && flag3)
{
this.ValueChanged(this, EventArgs.Empty);
}
}
}
protected void OnMonthChangeBefore(MonthChangeBeforeEventArgs e)
{
if (this.MonthChangeBefore != null)
{
this.MonthChangeBefore(this, e);
}
}