# BarcodeFrame.AddUndoUnit Method

> Adds the current state of the barcode which is connected with this BarcodeFrame to the undo stack. Programmatic changes performed with the barcode's properties and methods are not automatically added to a TextControl's undo stack. Calling this method is not necessary, when the barcode frame's layout in the text is changed.

- **Product:** TX Text Control .NET for WPF
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 19.0
- **Namespace:** `TXTextControl.DataVisualization`
- **Package:** `TXTextControl.TextControl.WPF.SDK` (assembly `TXTextControl.dll`, from the private NuGet feed or Text Control Offline Packages)
- **.NET Framework:** reference `TXTextControl.dll` from the setup
- **Path:** TX Text Control .NET for WPF > Reference > TXTextControl.DataVisualization > BarcodeFrame.AddUndoUnit Method
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/addundounit-method/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/addundounit-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/addundounit-method/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/addundounit-method/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/addundounit-method/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/addundounit-method/#examples)

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## Nearby

- **Previous:** [BarcodeFrame Class](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/llms.txt)
- **Next:** [BarcodeFrame.Barcode Property](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/reference/txtextcontrol-datavisualization/barcodeframe/barcode-property/llms.txt)