iOSStyleChangeObserver
From Xojo Documentation
Interface
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This method is only available on platform. For cross-platform compatibility, use ＃If...＃Endif with the Target... specifiers to make sure you will not attempt to use this method on an incompatible platform. |
New in 2019r3
Used by controls that need to know when the style of the OS changes, for example, from light mode to dark mode.
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Notes
If you implement this interface on your control, you must implement the method as shown here.