# RenderContentKindList class

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

```cs
public sealed class RenderContentKindList : IDisposable
```

Models a collection of kinds.

## Constructors

- [RenderContentKindList](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/ctor.md): (3 overloads) Construct an empty kind list

## Finalizer

- [~RenderContentKindList](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/finalize.md): Kind list finalizer

## Properties

- [CppPointer](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/cpppointer.md)

## Methods

- [Add](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/add.md): Add a kind to a kind list.
- [Contains](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/contains.md): Query whether or not the collection contains a particular kind designation.
- [Count](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/count.md): The number of kinds in the collection
- [Dispose](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/dispose.md): Dispose a kind list.
- [SingleKind](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentkindlist/singlekind.md): The single kind in the list. If the list does not contain exactly one kind, returns 'None'.