HTC Touch Pro (CDMA)
text message sent notification
First you would need to download a registry editor which you can get here http://julien.schapman.free.fr/touchxperience /registry-editor.php OR you can find other registry editors at sites like http://pockethacks.com/htc-touch-pro-tweaks/
Once you've downloaded your registry editor you then would need to follow these steps
1. Navigate to: HKLM\SOFTWARE\Microsoft\Inbox
2. Create a new key "Settings"
3. Create a new string value "SMSNoSentMsg" and set the value to 1