---
id: "M:cAlgo.API.Rectangle.#ctor"
kind: "constructor"
type: "T:cAlgo.API.Rectangle"
url: "https://help.ctrader.com/ctrader-algo/references/Controls/Layout/Shapes/Rectangle/Constructor/"
---

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

# Rectangle constructor

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

## Rectangle()

Initializes a new instance of the [`Rectangle`](https://help.ctrader.com/ctrader-algo/references/Controls/Layout/Shapes/Rectangle/index.md) class.

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 Rectangle()
```

Python:

```python
Rectangle()
```

### Examples

C#:

```csharp
var rectangle = new Rectangle { Width = 120, Height = 40, FillColor = Color.FromArgb(100, Color.Red), StrokeColor = Color.Red };
Chart.AddControl(rectangle);
```

Python:

```python
rectangle = Rectangle()
rectangle.Width = 120
rectangle.Height = 40
rectangle.FillColor = Color.FromArgb(100, Color.Red)
rectangle.StrokeColor = Color.Red
api.Chart.AddControl(rectangle)
```