From Xojo Documentation
| This item has been DEPRECATED since version 2013r1 and should no longer be used.
Please use TextArea.StyledText as a replacement.
Supported PlatformsProject Types: Desktop Platforms: macOS, Windows, Linux
Read-Only Property (As String )
The style data for Styled TextArea.
This data can be stored in a 'styl' resource and can be set with the SetTextAndStyle method.
|NOTE: Not supported on Cocoa.|