# RenderContentChangedEventArgs 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 class RenderContentChangedEventArgs : RenderContentEventArgs
```

EventArgs for the RenderContentChanged event

**Derived types:** [RenderContentFieldChangedEventArgs](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentfieldchangedeventargs.md)

## Properties

- [ChangeContext](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentchangedeventargs/changecontext.md)
- [OldContent](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontentchangedeventargs/oldcontent.md)

## Inherited Members

- From [RenderContentEventArgs](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontenteventargs.md): [Content](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontenteventargs/content.md), [Document](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontenteventargs/document.md), [EnvironmentUsage](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontenteventargs/environmentusage.md), [EnvironmentUsageEx](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontenteventargs/environmentusageex.md), [Reason](https://developer.rhino3d.com/api/rhinocommon/type/rhino.render.rendercontenteventargs/reason.md)