---
title: "CadSettings"
canonical_url: "https://www.nutrient.io/api/csharp/settings/format/cad-settings/"
md_url: "https://www.nutrient.io/api/csharp/settings/format/cad-settings.md"
last_updated: "2026-10-08T08:55:57.713Z"
description: "Settings for Cad. Values fall back through three levels: document → SDK → built-in default."
---

Settings for Cad. Values fall back through three levels: document → SDK → built-in default. Writes target the document only when set on a document's settings, otherwise the SDK globally when set on SdkSettings.

```csharp

using Nutrient;

```

The SDK creates this class through factory methods or other SDK objects.

## Properties

### CanvasBackgroundColor

```csharp

public Color CanvasBackgroundColor { get; set; }

```

Gets or sets the value of CanvasBackgroundColor. Reads walk the chain: Document override → SDK override → Default. Writes go to document level if available, otherwise SDK level.

**Type:** [`Color`](/api/csharp/types/color/)

### EnableLineWeight

```csharp

public bool EnableLineWeight { get; set; }

```

Gets or sets the value of EnableLineWeight. Reads walk the chain: Document override → SDK override → Default. Writes go to document level if available, otherwise SDK level.

**Type:** `bool`

### RenderZoom

```csharp

public double RenderZoom { get; set; }

```

Gets or sets the value of RenderZoom. Reads walk the chain: Document override → SDK override → Default. Writes go to document level if available, otherwise SDK level.

**Type:** `double`

### RenderingLayoutMode

```csharp

public RenderingLayoutMode RenderingLayoutMode { get; set; }

```

Gets or sets the value of RenderingLayoutMode. Reads walk the chain: Document override → SDK override → Default. Writes go to document level if available, otherwise SDK level.

**Type:** [`RenderingLayoutMode`](/api/csharp/enums/rendering-layout-mode/)

### ThumbnailMode

```csharp

public bool ThumbnailMode { get; set; }

```

Gets or sets the value of ThumbnailMode. Reads walk the chain: Document override → SDK override → Default. Writes go to document level if available, otherwise SDK level.

**Type:** `bool`

### UnitMode

```csharp

public UnitMode UnitMode { get; set; }

```

Gets or sets the value of UnitMode. Reads walk the chain: Document override → SDK override → Default. Writes go to document level if available, otherwise SDK level.

**Type:** [`UnitMode`](/api/csharp/enums/unit-mode/)

## Resource management

```csharp

public void Dispose()

```

`CadSettings` implements `IDisposable`. Call `Dispose()` or use a C# `using` declaration to release its native handle right away. If you don't, the handle is released when the object is garbage collected.

---

## Related pages

- [Format](/api/csharp/settings/format.md)
- [Accessibility Settings](/api/csharp/settings/format/accessibility-settings.md)
- [Email Settings](/api/csharp/settings/format/email-settings.md)
- [Html Settings](/api/csharp/settings/format/html-settings.md)
- [Image Settings](/api/csharp/settings/format/image-settings.md)
- [Jpeg Settings](/api/csharp/settings/format/jpeg-settings.md)
- [Markdown Settings](/api/csharp/settings/format/markdown-settings.md)
- [Pdf Settings](/api/csharp/settings/format/pdf-settings.md)
- [Presentation Settings](/api/csharp/settings/format/presentation-settings.md)
- [Search Settings](/api/csharp/settings/format/search-settings.md)
- [Spreadsheet Settings](/api/csharp/settings/format/spreadsheet-settings.md)
- [Text Settings](/api/csharp/settings/format/text-settings.md)
- [Word Settings](/api/csharp/settings/format/word-settings.md)