From Xojo Documentation
| This class is supported on iOS.
Use ＃If...＃Endif with the Target... constants to ensure you only use this class where it is supported.
New in 2020r2
A countdown timer control that lets the user choose hours and minutes.
This control only provides a user interface. It's not a timer. Use the Timer control to create an actual timer.
iOS project types on iOS and iPadOS operating systems.