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DateTimePickerValueChangedEventArgs.OldValue

property · DateTimePickerValueChangedEventArgs · cAlgo.API Since 5.5

DesktopCLICloud

Gets the old selected value.

Environment behaviour

CLI — not supported. Never raised in the CLI: the events that pass it never fire there (DateTimePicker.ValueChanged).

Cloud — not supported. Never raised in the cloud: the events that pass it never fire there (DateTimePicker.ValueChanged).

Definition

public DateTime OldValue {get;}

dateTimePickerValueChangedEventArgs.OldValue: DateTime

Returns DateTime

Examples

protected override void OnStart()
{
    var dateTimePicker = new DateTimePicker { Value = Server.Time };
    dateTimePicker.ValueChanged += OnDateTimePickerValueChanged;
    Chart.AddControl(dateTimePicker);
}

private void OnDateTimePickerValueChanged(DateTimePickerValueChangedEventArgs args)
{
    var shift = args.NewValue - args.OldValue;
    Print("Previous value: {0}, moved by {1} days", args.OldValue, shift.TotalDays);
}

def on_start(self):
    dateTimePicker = DateTimePicker()
    dateTimePicker.Value = api.Server.Time
    dateTimePicker.ValueChanged += self.on_date_time_picker_value_changed
    api.Chart.AddControl(dateTimePicker)

def on_date_time_picker_value_changed(self, args):
    shift = args.NewValue.Subtract(args.OldValue)
    api.Print(f"Previous value: {args.OldValue}, moved by {shift.TotalDays} days")