When getting this property, all of the strings in the collection will be returned as a comma and ampersand-delimited list. When setting this property, the comma and ampersand-delimited list will be split and added to the collection as values.
This property is intended to be used by the ASP.NET tag parser only.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2