If you want to debug Ponce and being able to step into functions and put breakpoints you should do the following:
Make sure you set the
IDA_INSTALLED_DIR parameter when building with CMake.
Secondly you should open the IDA binary under Visual Studio. Do File -> Open -> Project and select the
C:\Program Files\IDA Pro 7.5\ida64.exe binary.
In the properties of the project you can set the arguments to the binary you IDA to run
Now right click on the solution and go to Add -> Exixting Project and select the
Remember to compile Ponce on Debug so the breakpoints get hit