I just got my phone to work when the same thing happened to me. I usually keep it in my pocket. Then one day it stopped working like most of you. Then I googled "htc touch pro screen not reponding" and I found this link:
HTC touch pro... touch screen has stopped working - FixYa
It says to jam your fingernail along the side of the screen as if you're trying to pry off the screen protector (even if one doesn't exist) and then IT WORKED!!! Try it and you'll see if you still have your phone. This post is old but you never know.