###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_JoystickSetVirtualHat Set values on an opened, virtual-joystick's hat. ## Header File Defined in [SDL_joystick.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_joystick.h) ## Syntax ```c int SDL_JoystickSetVirtualHat(SDL_Joystick *joystick, int hat, Uint8 value); ``` ## Function Parameters | | | | | ------------------------------ | ------------ | ------------------------------------------------ | | [SDL_Joystick](SDL_Joystick) * | **joystick** | the virtual joystick on which to set state. | | int | **hat** | the specific hat on the virtual joystick to set. | | Uint8 | **value** | the new value for the specified hat. | ## Return Value (int) Returns 0 on success, -1 on error. ## Remarks Please note that values set here will not be applied until the next call to [SDL_JoystickUpdate](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_PollEvent), [SDL_PumpEvents](SDL_PumpEvents), [SDL_WaitEventTimeout](SDL_WaitEventTimeout), [SDL_WaitEvent](SDL_WaitEvent). ## Version This function is available since SDL 2.0.14. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryJoystick](CategoryJoystick)