No way to pass arguments to LaunchTarget

[wixbot]

I was trying to specify LaunchTarget as follows:

bal:WixStandardBootstrapperApplication
LogoFile="Logo.png"
LaunchTarget="[SystemFolder]control.exe /name MyControlPanelApplet"
LicenseFile="License_English.rtf"
SuppressOptionsUI="yes"

But it doesn't work when I hit "Launch" at the end of installation.
Installation log contains this line:
Error 0x80070002: Failed to launch target: C:\Windows\system32\control.exe /name MyControlPanelApplet

Originally opened by zepilot from http://sourceforge.net/p/wix/bugs/3201/

[wixbot]

This is supported now.

[wixbot]

That's interesting that you were able to get the /name to show up. I noticed that no matter what I did the / would always get erased out or converted to \