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

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

# WebView.OpenDevToolsWindow

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

## OpenDevToolsWindow()

Opens the DevTools window for the current WebView.

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 OpenDevToolsWindow()
```

Python:

```python
webView.OpenDevToolsWindow() -> None
```

Available since cAlgo.API 5.6.

### Examples

C#:

```csharp
var webView = new WebView { Height = 300 };
webView.NavigateAsync("https://ctrader.com/");
var devToolsButton = new Button { Text = "Dev tools" };
devToolsButton.Click += args => webView.OpenDevToolsWindow();
var panel = new StackPanel();
panel.AddChild(devToolsButton);
panel.AddChild(webView);
Chart.AddControl(panel);
```

Python:

```python
webView = WebView()
webView.Height = 300
webView.NavigateAsync("https://ctrader.com/")
devToolsButton = Button()
devToolsButton.Text = "Dev tools"
devToolsButton.Click += lambda args: webView.OpenDevToolsWindow()
panel = StackPanel()
panel.AddChild(devToolsButton)
panel.AddChild(webView)
api.Chart.AddControl(panel)
```