title: KeyDown event not Working on PrintScreen Key
body: <p>I am using C# windows Application</p>
  
  <p>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</p>
  
  <pre><code>private void comboBox1_KeyDown(object sender, KeyEventArgs e)
  {
          MessageBox.Show(e.KeyCode.ToString());
  }
  </code></pre>
  
  <p>So how to detect <kbd>PrintScreen</kbd> Key</p>