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

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

# ColorThemeChangeEventArgs.ColorTheme

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

## ColorTheme

Gets the color theme.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
public ColorTheme ColorTheme {get;}
```

Python:

```python
colorThemeChangeEventArgs.ColorTheme: ColorTheme
```

### Returns

`ColorTheme` — 

### Examples

C#:

```csharp
protected override void OnStart()
{
    Application.ColorThemeChanged += OnColorThemeChanged;
}

private void OnColorThemeChanged(ColorThemeChangeEventArgs args)
{
    var textColor = args.ColorTheme == ColorTheme.Dark ? Color.White : Color.Black;
    Chart.DrawStaticText("theme", "Theme: " + args.ColorTheme, VerticalAlignment.Top, HorizontalAlignment.Right, textColor);
}
```

Python:

```python
def on_start(self):
    api.Application.ColorThemeChanged += self.on_color_theme_changed

def on_color_theme_changed(self, args):
    text_color = Color.White if args.ColorTheme == ColorTheme.Dark else Color.Black
    api.Chart.DrawStaticText("theme", f"Theme: {args.ColorTheme}", VerticalAlignment.Top, HorizontalAlignment.Right, text_color)
```