protected void GoNextYear(DateTimePickerOption option)
{
if (option.ShowYear > 0)
{
option.ShowYear += 10;
return;
}
option.CurrentMonth = option.CurrentMonth.AddYears(1);
}
protected void GoPrevYear(DateTimePickerOption option)
{
if (option.ShowYear > 0 && option.ShowYear > 1900)
{
option.ShowYear -= 10;
return;
}
if (option.CurrentMonth.Year < 1900)
{
return;
}
option.CurrentMonth = option.CurrentMonth.AddYears(-1);
}
protected void SelectDay(DateTimePickerOption option, DateTime day)
{
option.CurrentMonth = day;
option.TaskComplietionSource.SetResult(day);
CloseDateTimePicker(option);
}
protected void CloseDateTimePicker(DateTimePickerOption option)
{
PopupService.DateTimePickerOptions.Remove(option);
}
protected void OpenMonth(DateTimePickerOption option, int month)
{
option.ShowYear = option.ShowMonth = 0;
option.CurrentMonth = new DateTime(option.CurrentMonth.Year, month, 1);
}