Form with Autoscroll Focus on Datagridview triggers scroll

I was experiencing the same issue as stated below:

http://social.msdn.microsoft.com/forums/en-US/winformsapplications/thread/03b1b1e5-0714-49e1-a118-9349c50d0eff/

I also tried the solution given in that thread. It worked! However, the screen flickers when I click on the datagridview, because there is a brief moment where the scrollbar goes back and forth and this is causing a disturbance in the GUI.

Is there a better way to handle this issue? or can I improve my existing solution? 

Thanks!