[power-pro] Parameter of do command with space not work

[Wai]

Hello,
I have run the command with parameter on pproconfig.exe, it work fine. For 
example:
Command :c:\kmplayer
parameter: "r:\Miss Pretty 2.avi"

But when i use do command ,there is error said that the file not find on r:\Miss
do("c:/kmplayer",?"r:\Miss Pretty 2.avi")

what is the wrong?

THX