# UserInterfaceSection class

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

```cs
public class UserInterfaceSection
```

> **Obsolete:** Obsolete

Custom user interface section manager

## Properties

- [RenderContent](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.ui.userinterfacesection/rendercontent.md): The RenderContent object that created this user interface object.
- [Window](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.ui.userinterfacesection/window.md): The user control associated with this user interface object.

## Methods

- [Expand](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.ui.userinterfacesection/expand.md): Expand or collapse this content section.
- [FromWindow](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.ui.userinterfacesection/fromwindow.md): (static) Find the UserInterfaceSection that created the specified instance of a window.
- [GetContentList](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.ui.userinterfacesection/getcontentlist.md): Returns a list of currently selected content items to be edited.
- [Show](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.ui.userinterfacesection/show.md): Show or hide this content section.