How do I change link colors after they have been clicked

Question

I am creating an interactive game with internal links. Right now, the links are displayed with black text and underlined in black. I would like them to turn a different color (light grey or white) after they have been clicked. I want to be able to differentiate between the questions that have been clicked on and those that remain in the game.

This is an image of the Powerpoint version where I can change the color of a followed hyperlink to light grey. I'd love to be able to do this in acrobat pro.

I suspect this would involve Javascript but am not sure what the code is or how I would insert it into acrobat pro.

Thanks so much for all your help

try67 · Answer

Text is not a part of a link in a PDF, so you can't do that if the text is static. You will need to use a button for the links, set the text as the button's caption, and then change it when clicked. Then you use something like this as the button's Mouse Up event:

this.pageNum = 4; // go to page 5, for example

event.target.textColor = color.ltGray; // change the button's text color

event.target.strokeColor = color.ltGray; // change the button's border color (the underline)

You should probably also want to create a "reset" button to change all of these buttons back to black.

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