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

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

# TabControlSelectedTabChangedEventArgs.TabControl

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

## TabControl

Gets tab control.

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

- CLI: Never raised in the CLI: the events that pass it never fire there (TabControl.SelectedTabChanged).
- Cloud: Never raised in the cloud: the events that pass it never fire there (TabControl.SelectedTabChanged).

C#:

```csharp
public TabControl TabControl {get;}
```

Python:

```python
tabControlSelectedTabChangedEventArgs.TabControl: TabControl
```

### Returns

`TabControl` — 

Available since cAlgo.API 5.2.

### Examples

C#:

```csharp
protected override void OnStart()
{
    var tabControl = new TabControl { TabStripPlacement = Dock.Left };
    tabControl.AddTab(new TabItem { Header = new TextBlock { Text = "Positions" } });
    tabControl.AddTab(new TabItem { Header = new TextBlock { Text = "Orders" } });
    tabControl.SelectedTabChanged += OnSelectedTabChanged;
    Chart.AddControl(tabControl);
}

private void OnSelectedTabChanged(TabControlSelectedTabChangedEventArgs args)
{
    Print("Tab control has {0} tabs, strip placement: {1}", args.TabControl.Tabs.Count, args.TabControl.TabStripPlacement);
}
```

Python:

```python
def on_start(self):
    tabControl = TabControl()
    tabControl.TabStripPlacement = Dock.Left
    for title in ["Positions", "Orders"]:
        header = TextBlock()
        header.Text = title
        tab = TabItem()
        tab.Header = header
        tabControl.AddTab(tab)
    tabControl.SelectedTabChanged += self.on_selected_tab_changed
    api.Chart.AddControl(tabControl)

def on_selected_tab_changed(self, args):
    api.Print(f"Tab control has {args.TabControl.Tabs.Count} tabs, strip placement: {args.TabControl.TabStripPlacement}")
```