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

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

# MultiSelectSelectedItemsChangedEventArgs (class)

Provides data for MultiSelect SelectedItemsChanged event handlers

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

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

## Definition

```csharp
public class MultiSelectSelectedItemsChangedEventArgs
```

Available since cAlgo.API 5.6.

## Examples

C#:

```csharp
protected override void OnStart()
{
    var multiSelect = new MultiSelect();
    multiSelect.AddItem("EURUSD");
    multiSelect.AddItem("GBPUSD");
    multiSelect.AddItem("USDJPY");
    multiSelect.SelectedItemsChanged += OnSelectedItemsChanged;
    Chart.AddControl(multiSelect);
}

private void OnSelectedItemsChanged(MultiSelectSelectedItemsChangedEventArgs args)
{
    Print("Selected symbols: {0}", string.Join(", ", args.MultiSelect.SelectedItems));
}
```

Python:

```python
def on_start(self):
    multiSelect = MultiSelect()
    multiSelect.AddItem("EURUSD")
    multiSelect.AddItem("GBPUSD")
    multiSelect.AddItem("USDJPY")
    multiSelect.SelectedItemsChanged += self.on_selected_items_changed
    api.Chart.AddControl(multiSelect)

def on_selected_items_changed(self, args):
    api.Print("Selected symbols: " + ", ".join(args.MultiSelect.SelectedItems))
```

## Properties

- `public MultiSelect MultiSelect {get;}` — The ComboBox that it is selected item changed [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/MultiSelectSelectedItemsChangedEventArgs/MultiSelect/index.md)