# D3D9FullscreenMode

> Direct3D 9 fullscreen mode.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEditor](/engine/6000.5/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

> **Warning:**
>
> **Deprecated.** D3D9 support has been removed

```csharp
public enum D3D9FullscreenMode
```

## Remarks

This defines how fullscreen mode is handled in Windows standalone builds when using Direct3D 9.