From Xojo Documentation
| This item was deprecated in version 2019r2.
Please use Clipboard.RawData as a replacement.
Copies the passed data to the Clipboard using the specified MacType or UTI.
The DataType parameter supports both the older MacType and newer UTIs. If the DataType parameter is exactly 4 bytes then it is treated as a MacType for backwards compatibility. Otherwise it is treated as a UTI.
On Windows you can use the a special DataType called "HTML Format" to add or fetch HTML data from the clipboard.
The following code places the contents of TextArea1 on the Clipboard. It contains RTF text: