# TXBarcodeCore.ViewChanged Event

> Occurs when changes to the barcode settings require updating the barcode view.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Event
- **Introduced:** 33.0
- **Namespace:** `TXTextControl.Barcode`
- **Package:** `TXTextControl.TextControl.Core.SDK` (assembly `TXBarcode.dll`, from the private NuGet feed or Text Control Offline Packages)
- **Package:** `TXTextControl.TextControl.ASP.SDK` (assembly `TXBarcode.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXBarcode.dll` from the setup
- **Path:** TX Text Control .NET Server > Reference > TXTextControl.Barcode > TXBarcodeCore.ViewChanged Event
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/viewchanged-event/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/viewchanged-event/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/viewchanged-event/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/viewchanged-event/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/viewchanged-event/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/viewchanged-event/#examples)

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## Nearby

- **Previous:** [TXBarcodeCore.UpperTextLength Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-barcode/txbarcodecore/uppertextlength-property/llms.txt)
- **Next:** [TXTextControl.DataVisualization namespace](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/txtextcontrol-datavisualization/llms.txt)