and result is as expected at runtime, the CheckBox/Swicth is disabled.
Here is a screenshot of iOS and UWP side-by-side:
The only thing I can think of at this point, is that maybe you recently added the attribute to the class, but the deployed app was using an outdated build of the PCL. Xamarin is known to do this, to see if this is the case, do a clean and rebuild of both PCL and platform projects. Then, redeploy.
If that doesn't fix it, please submit a support ticket here with a reproducible so that we can replicate it on our end for further investigation. If it's easier, you can use my demo to replicate it and send us that instead.
Lance | Tech Support Engineer, Sr.
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