private void GoToPreviousDateTime_Click(object sender, RoutedEventArgs e)
{
if (semanticzoomDate.IsZoomedInViewActive)
{
if (MonthTitle == 1)
{
MonthTitle = 13;
}
MonthTitle--;
DateTime datetime = DateTime.Now;
if (MonthTitle == 12)
{
datetime = new DateTime(SelectedDateTime.Year - 1, 12, datetime.Day);
YearTitle--;
}
else
{
if (SelectedDateTime.Month == 1)
{
SelectedDateTime = new DateTime(SelectedDateTime.Year, 12, SelectedDateTime.Day, SelectedDateTime.Hour, SelectedDateTime.Minute, SelectedDateTime.Second);
}
int count = SelectedDateTime.Month - MonthTitle;
datetime = new DateTime(SelectedDateTime.Year, MonthTitle, SelectedDateTime.AddMonths(-count).Day);
}
UpdateDays(datetime);
}
else
{
YearTitle--;
CurrentDateTime = new DateTime(SelectedDateTime.Year - 1, MonthTitle, SelectedDateTime.AddMonths(MonthTitle).Day);
}
}
private void BtnAddMonth_Click(object sender, RoutedEventArgs e)
{
if (MaxDateTime == null || SelectedDateTime.AddMonths(1) <= MaxDateTime)
{
SelectedDateTime = SelectedDateTime.AddMonths(1);
}
else
{
SelectedDateTime = (DateTime)MaxDateTime;
}
}
private void BtnDecMonth_Click(object sender, RoutedEventArgs e)
{
if (MinDateTime == null || SelectedDateTime.AddMonths(-1) >= MinDateTime)
{
SelectedDateTime = SelectedDateTime.AddMonths(-1);
}
else
{
SelectedDateTime = (DateTime)MinDateTime;
}
}