FMX TCameraComponent Problem

I am using the Embarcadero Demo program for the FMX TCameraComponent control which is targeted on an Android device (Samsung T700 Tablet).
I am using Embarcadero C++ Builder XE 10.1 Berlin, Update 2, Enterprise edition.
I have added an extra line of code in the button-click event handler which activates the camera but a compiler error is generated at his line of code as shown below.
How do I set the camera to auto-focus ?
Code:
void __fastcall TCameraComponentForm::btnStartCameraClick(TObject *Sender)
{
      // Turn on the Camera
      CameraComponent->Active = True;
      CameraComponent->FocusMode = ContinuousAutoFocus;// <--- new line of code added here
      tbControl->TabIndex = 1;
}
Error message:
[bccaarm Warning] uMain.cpp(92): 6 enumeration values not handled in switch: 'FinishedLaunching', 'BecameActive', 'WillBecomeForeground'...
LVL 2
alcindorAsked:
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Subrat (C++ windows/Linux)Connect With a Mentor Software EngineerCommented:
I feel it is a warning not error.
You have not handled all the possible enum values in your switch case and might be not default case written.

If possible, Can you copy past some of the lines from 90 to 100 of uMain.cpp
Want to see line 92 statement.
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alcindorAuthor Commented:
You are correct, There was also an error message but I mistakenly picked up on the warning message. I corrected the cause of the error message (elsewhere) and the warning persisted but the code ran without any error. I subsequently added a default case in the switch statement which handled the previously un-handled values.

Thanks for your help,

Roger

      switch (AAppEvent) { // line #92
            case TApplicationEvent::WillBecomeInactive:
            case TApplicationEvent::EnteredBackground:
            case TApplicationEvent::WillTerminate:
                  CameraComponent->Active = false;
                  return true;
                  break;
            default: //  added to remove warning
                break;
      }
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