The symbol to use to reference the output type in your application. The Message Compiler (MC.exe) uses the symbol to create a constant for the output type in the header file that the compiler generates.
value
string
An integer value that uniquely identifies the output type in the list of output types that you define.
Remarks
The \Include\Winmeta.xml file, which is included in the Windows SDK, contains a list of predefined output types.