# FontUnderline Property

> Returns or sets the underlining of a formatting style as flags: single, double, words only, red zigzag line, or &H10 to inherit it from the paragraph style.

- **Product:** TX Text Control ActiveX
- **Section:** Documentation
- **Kind:** Property
- **Path:** TX Text Control ActiveX > API Reference > Style > FontUnderline Property
- **Web URL:** https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/llms-full.txt

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## On This Page

- [Syntax](https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/#syntax)
- [Data Types](https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/#data-types)
- [Limitations](https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/#limitations)
- [See Also](https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontunderline-property/#see-also)

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## Nearby

- **Previous:** [FontStrikethru Property](https://docs.textcontrol.com/tx-text-control-activex/reference/style/fontstrikethru-property/llms.txt)
- **Next:** [ForeColor Property](https://docs.textcontrol.com/tx-text-control-activex/reference/style/forecolor-property/llms.txt)