#pragma section-numbers off
#pragma disable-camelcase
||<tablewidth="100%" style="color: #FF0000;" :> DRAFT||

= SDL_JoystickNumBalls =
Use this function to get the number of trackballs on a joystick.

<<TableOfContents()>>

== Syntax ==
{{{#!highlight cpp
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 ==
{{{#!highlight cpp
You can add your code example here
}}}

== Remarks ==
Joystick trackballs have only relative motion events associated with them and their state cannot be polled.

== Related Functions ==
 .[[SDL_JoystickGetBall]]

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[[CategoryAPI]], [[CategoryJoystick]]