# d3d9FullscreenMode

> Define how to handle fullscreen mode in Windows standalones (Direct3D 9 mode).

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

> **Warning:**
>
> **Deprecated.** d3d9FullscreenMode is deprecated, use fullScreenMode instead

```csharp
public static D3D9FullscreenMode d3d9FullscreenMode { get; set; }
```

### Remarks

Set this to change how fullscreen mode is handled in Windows standalone builds with Direct3D 9. See D3D9FullscreenMode for descriptions of the possible modes.