How to disable PrintScreen on Adobe Viewer?

[Chandrashekhar5C98]

In adobe viewer mode  i will trying to disabled PrintScreen and for disabling i am using this code but this not work 

See below:-

    <script type="text/javascript">

        document.addEventListener("keypress", function(){ 

            if ( e.key == 'PrintScreen' || e.key == 44 || e.key == 45) {

                navigator.clipboard.writeText('');

            }

        });

    </script>

So, please tell me how i am able to disabled PrintScreen or fn + PrintScreen