Solution: in the setup menu, under "Controls", at the bottom, there is a section "Other" where a radio button "INPUT METHOD" allows to select "DirectInput" rather than "Raw Input". "DirectInput" makes the second slider work normally (named ...

Compared to FSX, P3Dv4 supports not only 32 buttons per joystick, but 132 (as X-Plane 11 does); presumably DirectInput’s DIJOYSTATE2 is used instead of the previous DIJOYSTATE. This is good news, it allows me to use the 132 channels of my home-made joystick board. But there are also bad news: only 7...

Unfortunately, no 64-bit SimConnect DLL is provided in the P3Dv4 SDK, but a static library compatible with MS Visual Studio 2017. Too bad, when you are not a user of this development environment; note that Dovetail Games provided a 64-bits DLL with the late Flight Sim World. My favourite IDE is Emba...