InfoPath Dev

Hi All, I have designed form which need to auto populate current user's manager's name in people picker. Unfortunately, I have used data connection 'GetUserProfileByName' to get with property - Manager but only get current manager's Display name. when I tried to load this Display Name in people picker control I found on ...

I'am using infopath2007, and recently met a problem which is my customer ask me to implemet rich textbox autocomplete . after google for a long time, only got text box autocomplete... Is there any way that we can make this function? using programming infopath or settings?