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SDL_JoystickNumBalls
Use this function to get the number of trackballs on a joystick.
Contents
Syntax
int SDL_JoystickNumBalls(SDL_Joystick* joystick)
Function Parameters
joystick |
an SDL_Joystick structure containing joystick information |
Return Value
Returns the number of trackballs on success or a negative error code on failure; call SDL_GetError() for more information.
Code Examples
You can add your code example here
Remarks
Joystick trackballs have only relative motion events associated with them and their state cannot be polled.
