In prior versions of the WiX toolset, this attribute specified the short name. This attribute's value may now be either a short or long name. If a short name is specified, the ShortName attribute may not be specified. If a long name is specified, the LongName attribute may not be specified. Also, if this value is a long name, the ShortName attribute may be omitted to allow WiX to attempt to generate a unique short name. However, if you wish to manually specify the short name, then the ShortName attribute may be specified.
The short name of the file in 8.3 format. This attribute should only be set if the user wants to manually specify the short name.
Type
Enumeration
Must be file if last child is FileSearch element and must be directory if last child is DirectorySearch element. This attribute's value must be one of the following: