[REBOL] Field color change on error.

[Louis A. Turk]

Hi rebols,

I want the background of the field to turn red when an invalid email is 
entered....and also the font's color and style (yellow and bold). How do I 
do it?

view layout [
        lab "email:" email: field [
                if not find value "@" [
                        replace value value "<<<<< INVALID EMAIL >>>>>"   ; <====<<< 
WORKS
                                   face/color: red   ; <=====<<< DOESN'T WORK.
                                   backdrop red    : <=====<<< DOESN'T WORK
                        show face
                ]
        ] return
]

This is my first serious try at gui proramming with rebol/view, so if you 
see anything else wrong with the above, please point it out.

Thanks,
Louis

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