To specify a preprocessor to use with your project:
This displays the Add Custom Preprocessor dialog box.
This adds the preprocessor to your project. You can add more than one preprocessor to your project.
This displays the Add Installed Preprocessor dialog box.
Each preprocessor you add is inserted at the top of the list on the Preprocessor page. The order of execution of preprocessors is from the top to the bottom of the list.
Files in your project inherit the settings specified at project level. To specify any additional preprocessor for an individual file in your project that differ from the preprocessor settings at project level:
This displays the Add Custom Preprocessor dialog box.
This adds the preprocessor to your file. You can add more than one preprocessor to your file.
This displays the Add Installed Preprocessor dialog box.
Each preprocessor you add is inserted at the top of the list on the Preprocessor page. The order of execution of preprocessors is from the top to the bottom of the list.