# RequestRenderModeCallback Function

> Callback function for requests expecting a ComponentRenderMode value.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Function
- **Introduced:** 32.0
- **Path:** TX Text Control .NET Server > Reference > JavaScript API > RequestRenderModeCallback Function
- **258 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requestrendermodecallback/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requestrendermodecallback/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requestrendermodecallback/llms-full.txt

---

### Description

Callback function for requests expecting a [ComponentRenderMode value](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol/componentrendermode-enumeration/llms-full.txt).

### Syntax

```javascript
function(<ComponentRenderMode> renderMode)
```

### Examples

The following example demonstrates `RequestRenderModeCallback` in a practical document-editing workflow. Callback function for requests expecting a ComponentRenderMode value.

```javascript
function onTxError(error) {
    console.error("TX Text Control error:", error.msg);
    error.handled = true;
}

function requestRenderModeCallback(renderMode) {
    console.log("render mode:", renderMode);
}

TXTextControl.getRenderMode(requestRenderModeCallback, onTxError);
```

---

## Nearby

- **Previous:** [RequestRectangleCallback Function](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requestrectanglecallback/llms-full.txt)
- **Next:** [RequestRulerBarBorderStyleCallback Function](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requestrulerbarborderstylecallback/llms-full.txt)