From Xojo Documentation
| This item was deprecated in version 2020r2.
Please use MobileProgressWheel as a replacement.
Class (inherits from iOSControl)
| This class is supported on Mobile (iOS).
Use ＃If...＃Endif with the Target... constants to ensure you only use this class where it is supported.
The ProgressWheel is an animated spinning wheel used to indicate that a task is in process.