# Javascript: DocumentViewerSettings.showThumbnailPane Property

> Whether the left sidebar is initially visible in desktop mode.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Property
- **Path:** TX Text Control .NET Server > Reference > JavaScript API - Document Viewer > Javascript: DocumentViewerSettings.showThumbnailPane Property
- **44 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewersettings/showthumbnailpane-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewersettings/showthumbnailpane-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewersettings/showthumbnailpane-property/llms-full.txt

---

### Description

Whether the left sidebar is initially visible in desktop mode.

### Syntax

```javascript
<boolean> DocumentViewerSettings.showThumbnailPane
```

---

## Nearby

- **Previous:** [Javascript: DocumentViewerSettings.resources Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewersettings/resources-property/llms-full.txt)
- **Next:** [Javascript: DocumentViewerSettings.signatureSettings Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewersettings/signaturesettings-property/llms-full.txt)