# GH_BackgroundStyle enum

Namespace: [Grasshopper.GUI.Theme](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.gui.theme.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public enum GH_BackgroundStyle
```

Enumerates the pre-defined canvas background themes.

## Values

| Name | Value | Description |
| --- | --- | --- |
| Solid | 0 | Canvas background will be a single, solid colour. |
| Hatch | 1 | Canvas background will be a GDI hatch brush. |
| GradientLeftRight | 10 | Canvas background will be a linear horizontal gradient. |
| GradientTopBottom | 11 | Canvas background will be a linear vertical gradient. |