# CollapsibleSectionImpl class

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 sealed class CollapsibleSectionImpl : IDisposable
```

## Constructors

- [CollapsibleSectionImpl](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/ctor.md)

## Finalizer

- [~CollapsibleSectionImpl](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/finalize.md)

## Properties

- [CppPointer](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/cpppointer.md)
- [ViewModel](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/viewmodel.md)

## Methods

- [__InternalSetParent](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/internalsetparent.md)
- [CreateHostedSection](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/createhostedsection.md): (static)
- [Dispose](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/dispose.md)
- [Find](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/find.md): (static)
- [GetSibling](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/getsibling.md): (static)
- [GetSiblings](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/getsiblings.md): (static)
- [IsSameObject](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/issameobject.md)
- [NewNativeWrapper](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/newnativewrapper.md): (static)
- [ReplaceClient](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/replaceclient.md)

## Events

- [DataChanged](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/datachanged.md)
- [ViewModelActivated](https://developer.rhino3d.com/api/rhinocommon/type/rhino.ui.controls.collapsiblesectionimpl/viewmodelactivated.md)