---
id: "T:cAlgo.API.BarClosedEventArgs"
kind: "class"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/EventArgs/BarClosedEventArgs/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# BarClosedEventArgs (class)

Provides data for the event when a bar closed on the chart.

Environments: Desktop supported · CLI supported · Cloud supported.

## Definition

```csharp
public class BarClosedEventArgs
```

## Examples

C#:

```csharp
protected override void OnStart()
{
    Bars.BarClosed += OnBarsBarClosed;
}

private void OnBarsBarClosed(BarClosedEventArgs args)
{
    Print("Bar closed on {0} {1}, bars count: {2}", args.Bars.SymbolName, args.Bars.TimeFrame, args.Bars.Count);
}
```

Python:

```python
def on_start(self):
    api.Bars.BarClosed += self.on_bars_bar_closed

def on_bars_bar_closed(self, args):
    api.Print(f"Bar closed on {args.Bars.SymbolName} {args.Bars.TimeFrame}, bars count: {args.Bars.Count}")
```

## Properties

- `public Bars Bars {get;}` — Gets the bar data. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/BarClosedEventArgs/Bars/index.md)