What is the Screen behavior when a widget is not valid (Valid property set to False)?

What is the Screen behavior when a widget is not valid (Valid property set to False)?
A . The widget does not appear on the Screen and the validation message appears in its place.
B. The Screen displays the widget greyed out, and displays the validation error message on the U input.
C. Displays the regular widget, applies a specific styling (e.g. red border), and displays the ^ validation error message.
D. Displays the regular widget and displays the validation error message when we hover the mouse.

View Answer

Answer: C