# Deprecated APIs

> Obsolete engine and mail merge members a WPF app can still call, with their replacements: TextAfterNumber, TextField.HighlightMode, LoadEmbeddedData and Merge.

- **Product:** TX Text Control .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for WPF > What's New > Deprecated APIs
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/llms-full.txt

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## On This Page

- [What Obsolete Means](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/#what-obsolete-means)
- [Obsolete Members](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/#obsolete-members)
- [What Changes With Each Replacement](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/#what-changes-with-each-replacement)
- [When You Upgrade](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/#when-you-upgrade)
- [Related Pages](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/deprecated-apis/#related-pages)

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## Nearby

- **Previous:** [Breaking Changes](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/breaking-changes/llms.txt)
- **Next:** [Older Versions](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/whats-new/older-versions/llms.txt)