KeyDown event not Working on PrintScreen Key

Question

I am using C# windows Application

I am checking which key, user have pressed down by keyboard. I have checked for all keys but its not working in case of printScreen

Answer 1

The print-screen key is trapped by the OS before it is sent to applications. To detect such keys, you need to use a keyboard hook. You may be interested in this article: Low-level Windows API hooks from C# to stop unwanted keystrokes