# ICollapsibleSectionHolder2 interface

Namespace: [Rhino.UI.Controls](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.ui.controls.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md)

```cs
public interface ICollapsibleSectionHolder2
```

## Methods

- [EnableHeaderButton](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.icollapsiblesectionholder2/enableheaderbutton.md)
- [SetFullHeightSection](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.icollapsiblesectionholder2/setfullheightsection.md)
- [ShowHeaderButton](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.icollapsiblesectionholder2/showheaderbutton.md)