Causes the preprocessor to process the specified header file.
/FI[ ]pathname
Remarks
This option has the same effect as specifying the file with double quotation marks in an #include directive on the first line of every source file specified on the command line, in the CL environment variable, or in a command file. If you use multiple /FI options, files are included in the order they are processed by CL.
To set this compiler option in the Visual Studio development environment
- Open the project's Property Pages dialog box. For details, see How to: Open Project Property Pages. 
- Click the C/C++ folder. 
- Click the Advanced property page. 
- Modify the Force Includes property. 
To set this compiler option programmatically
- See ForcedIncludeFiles.