private void fromDateTime_DateTimeHasChanged(object sender, DateTimeEventArgs e)
{
if (e.NewDateTime.CompareTo(minDate) == -1)
{
fromDateTime.Value = minDate;
}
else if (e.NewDateTime.CompareTo(actMaxDate) == 1)
{
fromDateTime.Value = actMaxDate;
actMinDate = actMaxDate;
}
else
{
actMinDate = e.NewDateTime;
}
if (actMinDate == minDate)
{
previousDay.Enabled = false;
firstDay.Enabled = false;
}
else
{
previousDay.Enabled = true;
firstDay.Enabled = true;
}
if (!newMinMaxDate)
{
DateEventArgs args = new DateEventArgs(fromDateTime.Value, toDateTime.Value);
OnDateChanged(args);
}
newMinMaxDate = false;
}
private void OnDateChanged(DateEventArgs e)
{
EventHandler <DateEventArgs> handler = DateEvent;
if (handler != null)
{
handler(this, e);
}
}
private void DateEvent(object sender, DateEventArgs e)
{
fromDateTime = e.FromDate;
toDateTime = e.ToDate;
UpdateSeries();
}
