You want OnKeyPress, not OnKeyDown.
KeyPress will continue to trigger as long as you hold the key down.
Question
I want to get response from Form while pressed and holding a key,how do I do that ? I wrote code for 'OnKeyDown' but that works only once per press/
La solution
You want OnKeyPress, not OnKeyDown.
KeyPress will continue to trigger as long as you hold the key down.