PowerShellでブラウザー外実行SilverlightApplicationインストール！

Set-Alias sllauncher "C:\Program Files\Microsoft Silverlight\sllauncher.exe"
$install = "C:\Users\chiaki\SilverlightApplication1.xap"
$origin = "http://ちあき1220jp/$strXapName"
$shortcut = "desktop+startmenu"

sllauncher /install:$install /origin:$origin /shortcut:$shortcut /overwrite

▼ TechNet
Set-Alias←例４
▼ Silverlight SDK
SLLauncher Error Messages – Silverlight SDK – Site Home – MSDN Blogs←sllauncherパラメーター詳細