Hello,
Just wonder if the ShowAndWait sub uses Wait For keyword internally? (May be not because ShowAndWait existed since 2014). I see in the thread https://www.b4x.com/android/forum/threads/modal-dialogs.34656/ that the manner used to get returned value is quite different.
Thank you
There is no such thing as "uses Wait For internally". Calling Wait For in an internal method will never block the calling code.
I wouldn't use Form.ShowAndWait as it actually starts a nested event loop.