Device Metadata Package(Urgent)

I want to get the detail material about mobile broadband for Device Stage. Especially,I want to know how to custom the task XML.

If I don't install the program on C disk,the command isn't useful as followings:

Code:

 
 
<task id="{SET_APP1_TASKID_GUID}" rank="0" issueTime="2008-08-06T13:36:23Z" requiresElevation="false" name="PhotoName86" description="PhotoDesc86" icon="sample_photogallery_icon.ico">
<requirements>
<processor architecture="x86" />

<productInstalled product="{3C52E7DA-C431-4239-B66B-1BF703D5B194}" />

</requirements>
<command type="ShellExecute">
<arguments>

<commandLine xmlns:space="preserve">"%PROGRAMFILES%\Windows Live\Photo Gallery\WLXPhotoGallery.exe"</commandLine>
</arguments>
</command>
 

I want to know how to lanch a program in the task xml by shell command if I don't install the program on C disk.

Please help me.

Somebody Helps me.

Help~