---
id: "P:cAlgo.API.ChartObjectsSelectionChangedEventArgs.Chart"
kind: "property"
type: "T:cAlgo.API.ChartObjectsSelectionChangedEventArgs"
url: "https://help.ctrader.com/ctrader-algo/references/EventArgs/ChartObjectsSelectionChangedEventArgs/Chart/"
---

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

# ChartObjectsSelectionChangedEventArgs.Chart

Member of [ChartObjectsSelectionChangedEventArgs](https://help.ctrader.com/ctrader-algo/references/EventArgs/ChartObjectsSelectionChangedEventArgs/index.md).

## Chart

A chart where event occured

Environments: Desktop supported · CLI not supported · Cloud not supported.

- CLI: Never raised in the CLI: the events that pass it never fire there (ChartArea.ObjectsSelectionChanged).
- Cloud: Never raised in the cloud: the events that pass it never fire there (ChartArea.ObjectsSelectionChanged).

C#:

```csharp
public Chart Chart {get;}
```

Python:

```python
chartObjectsSelectionChangedEventArgs.Chart: Chart
```

### Returns

`Chart` — 

### Examples

C#:

```csharp
protected override void OnStart()
{
    Chart.ObjectsSelectionChanged += OnChartObjectsSelectionChanged;
}

private void OnChartObjectsSelectionChanged(ChartObjectsSelectionChangedEventArgs args)
{
    Print("Selection changed on chart {0} {1}, selected objects: {2}", args.Chart.SymbolName, args.Chart.TimeFrame, args.Chart.SelectedObjects.Count);
}
```

Python:

```python
def on_start(self):
    api.Chart.ObjectsSelectionChanged += self.on_chart_objects_selection_changed

def on_chart_objects_selection_changed(self, args):
    api.Print(f"Selection changed on chart {args.Chart.SymbolName} {args.Chart.TimeFrame}, selected objects: {args.Chart.SelectedObjects.Count}")
```