---
id: "P:cAlgo.API.ChartTrendLine.ExtendToInfinity"
kind: "property"
type: "T:cAlgo.API.ChartTrendLine"
url: "https://help.ctrader.com/ctrader-algo/references/Chart/Drawings/ChartTrendLine/ExtendToInfinity/"
---

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

# ChartTrendLine.ExtendToInfinity

Member of [ChartTrendLine](https://help.ctrader.com/ctrader-algo/references/Chart/Drawings/ChartTrendLine/index.md).

## ExtendToInfinity

Defines if the Trend Line extends to infinity.

Environments: Desktop supported · CLI works differently · Cloud works differently.

- CLI: Created and kept with all its properties, but never drawn: the CLI displays no chart.
- Cloud: Created and kept with all its properties, but never drawn: the cloud displays no chart.

C#:

```csharp
bool ExtendToInfinity {get; set;}
```

Python:

```python
chartTrendLine.ExtendToInfinity: bool
```

### Returns

`bool` — 

### Examples

C#:

```csharp
var trendLine = Chart.DrawTrendLine("trend", Bars.OpenTimes.Last(20), Bars.LowPrices.Last(20), Bars.OpenTimes.Last(10), Bars.LowPrices.Last(10), Color.Red);
trendLine.ExtendToInfinity = true;
Print("Trend line extends to infinity: {0}", trendLine.ExtendToInfinity);
```

Python:

```python
trendLine = api.Chart.DrawTrendLine("trend", api.Bars.OpenTimes.Last(20), api.Bars.LowPrices.Last(20), api.Bars.OpenTimes.Last(10), api.Bars.LowPrices.Last(10), Color.Red)
trendLine.ExtendToInfinity = True
api.Print(f"Trend line extends to infinity: {trendLine.ExtendToInfinity}")
```