If I can add a new flight mode in Visual studio and I have open the source code of MP in VS

which one of the .C#need I modify?
I just want to add a new model, like to make it to fly to a point and turn by itself.

Or which software do I need to achieve this function?Thanks a lot!

pixhawk

#### Platform
[ ] All
[ ] AntennaTracker
[ ] Copter
[ ] Plane
[ ] Rover
[ ] Sub

#### Airframe type
_What type of airframe (flying wing, glider, hex, Y6, octa etc)_

#### Hardware type
_What autopilot hardware was used? (pixhawk, pixracer, PX4FMU etc)_

#### Logs
_Please provide a link to any relevant logs that show the issue_

No C# file, test, or entry point is identified. First determine whether the requested flight behavior belongs in Mission Planner or autopilot firmware, and clarify the target vehicle and flight mode. A complete issue should name the relevant entry point and define how the new behavior will be tested and considered done.

Written by the indexing model from the issue text.