To clarify, the C++ Dashboard option on the Driver Station will launch the SmartDashboard, which you can interact with using the code in Fred's post. This option was there in previous years also. You can read more about SmartDashboard here:
https://wpilib.screenstepslive.com/s/4485/m/26401
You can also write your own dashboard in any language you want, and have it launched by the Driver Station by modifying the ini file referenced here:
https://wpilib.screenstepslive.com/s...tware#SetupTab