title: How to change the backcolor of control on focus
body: <p>i am developing windows form which contain so many control.i want to change back color of that active control on Focus &amp; back to its Original color once it lost focus.
  i see <a href="https://social.msdn.microsoft.com/Forums/vstudio/en-US/c24c7e0b-e2a3-4dc3-a4e9-4296fb37279b/how-to-change-the-color-of-control-on-focus" rel="nofollow">This</a> Link which give solution to write code for each control on the form. 
  is any solution to write common function which find Current Active control in Form &amp; change back color of it.</p>