---
id: "M:cAlgo.API.MultiSelect.UnselectAllItems"
kind: "method"
type: "T:cAlgo.API.MultiSelect"
url: "https://help.ctrader.com/ctrader-algo/references/Controls/MultiSelect/UnselectAllItems/"
---

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

# MultiSelect.UnselectAllItems

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

## UnselectAllItems()

Unselects all items on the MultiSelect

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

- CLI: Accepted without error but never displayed, so control events such as Click are never raised.
- Cloud: Accepted without error but never displayed, so control events such as Click are never raised.

C#:

```csharp
public void UnselectAllItems()
```

Python:

```python
multiSelect.UnselectAllItems() -> None
```

Available since cAlgo.API 5.6.

### Examples

C#:

```csharp
var multiSelect = new MultiSelect();
multiSelect.AddItem("EURUSD");
multiSelect.SelectAllItems();
var clearButton = new Button { Text = "Clear selection" };
clearButton.Click += args => multiSelect.UnselectAllItems();
var panel = new StackPanel();
panel.AddChild(multiSelect);
panel.AddChild(clearButton);
Chart.AddControl(panel);
```

Python:

```python
multiSelect = MultiSelect()
multiSelect.AddItem("EURUSD")
multiSelect.SelectAllItems()
clearButton = Button()
clearButton.Text = "Clear selection"
clearButton.Click += lambda args: multiSelect.UnselectAllItems()
panel = StackPanel()
panel.AddChild(multiSelect)
panel.AddChild(clearButton)
api.Chart.AddControl(panel)
```