Genero / Images

Παντελής Μάγκος <[email protected]> Mon, 10 Apr 2006 16:31:15 +0300
Newsgroups gmane.comp.lang.4gl.fourjs.user
Message-ID <[email protected]>
Genero / Images question
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I have a form with an IMAGE item in it (A form field image not a static one)
The program asks the user to provide a valid image URI and displays it:
 
PROMPT "Enter an image URI" FOR imagefile
DISPLAY imagefile TO img
 
 
When the user types in a valid image file, then the image is displayed normally. When the user types something that does not exists, the program clears the image field BUT (!) i cannot "catch" the fact that "imagefile" was an illegal (or notfound, or .. everything but not a normal ) image file!
Is there any means to catch this?