public static void OnDateFormatChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
PosDatePicker dtp = (PosDatePicker)obj;
if (dtp.DateFormat.Contains("H") || dtp.DateFormat.Contains("h"))
{
dtp.TimeDisplay.Visibility = Visibility.Visible;
}
dtp.DateDisplay.Text = dtp.SelectedDate.Value.ToString(dtp.DateFormat);
}
private static object CoerceMaxDate(DependencyObject d, object value)
{
PosDatePicker dtpicker = (PosDatePicker)d;
DateTime current = Convert.ToDateTime(value);
if (current <= dtpicker.MinimumDate)
{
throw new ArgumentException("MaximimumDate can not be equal to, or less than MinimumDate");
}
if (current < dtpicker.SelectedDate)
{
dtpicker.SelectedDate = current;
}
return(current);
}
public static void OnSelectedDateChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
PosDatePicker dtp = (PosDatePicker)obj;
if (args.NewValue == null)
{
dtp.SelectedDate = Convert.ToDateTime(args.NewValue);
dtp.DateDisplay.Text = "Tarih Hatalı";
}
else
{
dtp.DateDisplay.Text = Convert.ToDateTime(args.NewValue).ToString(dtp.DateFormat);
dtp.TimeDisplay.Value = Convert.ToDateTime(args.NewValue);
dtp.CalDisplay.SelectedDate = Convert.ToDateTime(args.NewValue);
dtp.CalDisplay.DisplayDate = Convert.ToDateTime(args.NewValue);
}
}
private static object CoerceDate(DependencyObject d, object value)
{
PosDatePicker dtpicker = (PosDatePicker)d;
DateTime current = Convert.ToDateTime(value);
if (current < dtpicker.MinimumDate)
{
current = dtpicker.MinimumDate;
}
if (current > dtpicker.MaximumDate)
{
current = dtpicker.MaximumDate;
}
return(current);
}