Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_SetJoystickVirtualButton - Set the state of a button on an opened virtual joystick.
HEADER FILE
Defined in SDL3/SDL_joystick.h
SYNOPSIS
#include "SDL3/SDL.h"
bool SDL_SetJoystickVirtualButton(SDL_Joystick *joystick, int button, bool down);
DESCRIPTION
Please note that values set here will not be applied until the next call to
SDL_UpdateJoysticks , which can either be called directly, or can be called indirectly through various
other SDL APIs, including, but not limited to the following:
SDL_PollEvent , SDL_PumpEvents ,
SDL_WaitEventTimeout ,
SDL_WaitEvent .
FUNCTION PARAMETERS
joystick
the virtual joystick on which to set state.
button the index of the button on the virtual joystick to update.
down true if the button is pressed, false otherwise.
RETURN VALUE
Returns true on success or false on failure; call
SDL_GetError () for more information.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.8 SDL_SetJoystickVirtualButton(3)