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

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

# ColorPickerSelectedColorChangedEventArgs (class)

Provides data for the ColorPicker SelectedColorChanged event.

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

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

## Definition

```csharp
public class ColorPickerSelectedColorChangedEventArgs
```

Available since cAlgo.API 5.1.

## Examples

C#:

```csharp
protected override void OnStart()
{
    var colorPicker = new ColorPicker { SelectedColor = Color.Red };
    colorPicker.SelectedColorChanged += OnSelectedColorChanged;
    Chart.AddControl(colorPicker);
}

private void OnSelectedColorChanged(ColorPickerSelectedColorChangedEventArgs args)
{
    Print("Color changed from {0} to {1}", args.PreviousSelectedColor, args.NewSelectedColor);
}
```

Python:

```python
def on_start(self):
    colorPicker = ColorPicker()
    colorPicker.SelectedColor = Color.Red
    colorPicker.SelectedColorChanged += self.on_selected_color_changed
    api.Chart.AddControl(colorPicker)

def on_selected_color_changed(self, args):
    api.Print(f"Color changed from {args.PreviousSelectedColor} to {args.NewSelectedColor}")
```

## Properties

- `public ColorPicker ColorPicker {get;}` — Gets the color picker control. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/ColorPickerSelectedColorChangedEventArgs/ColorPicker/index.md)
- `public Color NewSelectedColor {get;}` — Gets the new selected color. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/ColorPickerSelectedColorChangedEventArgs/NewSelectedColor/index.md)
- `public Color PreviousSelectedColor {get;}` — Gets the previous selected color. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/ColorPickerSelectedColorChangedEventArgs/PreviousSelectedColor/index.md)