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Comment: add RF
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| Returns ^the number of trackballs^ on success, or a negative error code on failure; call [[SDL_GetError]]() for more information. | Returns ^the number of trackballs^ on success or a negative error code on failure; call [[SDL_GetError]]() for more information. |
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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 |
a pointer to a 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.
