---
id: "E:cAlgo.API.ChartArea.ObjectHoverChanged"
kind: "event"
type: "T:cAlgo.API.ChartArea"
url: "https://help.ctrader.com/ctrader-algo/references/Chart/ChartArea/ObjectHoverChanged/"
---

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

# ChartArea.ObjectHoverChanged

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

## ObjectHoverChanged

Occurs when the cursor hovers over or leaves the object.

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

- CLI: Never raised: chart objects cannot be hovered.
- Cloud: Never raised: chart objects cannot be hovered.

C#:

```csharp
event Action<ChartObjectHoverChangedEventArgs> ObjectHoverChanged;
```

Python:

```python
chartArea.ObjectHoverChanged += handler  # handler(obj: ChartObjectHoverChangedEventArgs)
```

### Returns

`Action<ChartObjectHoverChangedEventArgs>` — 

### Examples

C#:

```csharp
protected override void OnStart()
{
    Chart.ObjectHoverChanged += OnObjectHoverChanged;
}

private void OnObjectHoverChanged(ChartObjectHoverChangedEventArgs args)
{
    if (args.IsObjectHovered)
        Print("Hovering over {0}", args.ChartObject.Name);
}
```

Python:

```python
def on_start(self):
    api.Chart.ObjectHoverChanged += self.on_object_hover_changed

def on_object_hover_changed(self, args):
    if args.IsObjectHovered:
        api.Print(f"Hovering over {args.ChartObject.Name}")
```