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SDL Wiki


Set values on an opened, virtual-joystick's button.


int SDL_JoystickSetVirtualButton(SDL_Joystick *joystick, int button, Uint8 value);

Function Parameters


the virtual joystick on which to set state.


the specific button on the virtual joystick to set.


the new value for the specified button.

Return Value

Returns 0 on success, -1 on error.


Please note that values set here will not be applied until the next call to SDL_JoystickUpdate, 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.


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