# C/C++ Project Properties, Paths and Symbols, Symbols

You can modify the list of preprocessor symbols.

Languages (left pane)
  Displays languages related to this project. Select one to see corresponding symbols.
Symbol / Value
  List of symbols related to given language.
Add
  Add new symbol
Edit
  Modify selected symbol value/dd>
Delete
  Remove selected symbol
Export / Unexport
  Toggle selected symbol exported or not
Show built-in values
  Check to display system (built-in) includes.
Available for :
  CDT projects, folders and files

- Project Properties, Resource page
- Project Properties, Builders page
- Project Properties, common C/C++ Configurations handling
  - Manage Configurations dialog
  - Create Configuration dialog
  - Rename Configuration dialog
- Project Properties, C/C++ Build category
  - Discovery options page
  - Environment page
  - Settings page
    - Tool Settings tab
    - Build Steps tab
    - Build Artifact tab
    - Binary Parsers tab
    - Error Parsers tab
  - Tool chain editor page
  - Variables page
- Project Properties, C/C++ General category
  - Documentation page
  - Export Settings page
  - File Types page
  - Indexer page
  - Language Mapping page
  - Paths and Symbols page
    - Includes tab
    - Symbols tab
    - Libraries tab
    - Libraries path tab
    - Source Location tab
    - Output Location tab
    - References tab
    - Data Hierarchy tab
- C/C++ Project Properties, Project References page
- C/C++ Project Properties, Run/Debug Settings page