How do I make a button seem like pressed and then unpressed from code naturally in c# for WP7?

I am trying to make buttons seem like pressed automatically so the user can then follow the buttons pressed bu开发者_JAVA百科t everytime I try it doesn't seem natural because the computer does it really fast all the changes! Any ideas? I have to get a serious of buttons pressed that look like user pressed and then pass to unpressed again

Thanks a lot!!!!

Well I'm trying to make a game where you remember the buttons that were randomly selected by the computer and then you press them, so I need computer to act like if the user were touching them and then the user follows...

How about using a custom storyboard animation that takes the button to the pressed, and then unpressed state?