VS 2015 InstallShield LE - 递归地包含子文件夹

I am trying to create an InstallShield msi that installs 2 websites. Both sites include MANY folders with subfolders with subfolders. Adding them all manually to the Files area 'Destination computers folders' area, would royally suck. In the old version of Microsoft Installer that used to come with Visual Studio, I was able to drag/drop a parent folder and all the files/folders would recursively add themselves to my installer. How do I do that in InstallShield LE?I am trying to create an InstallShield msi that