IOHIDValueCallback
Declaration
typedef void (*IOHIDValueCallback)(void *context, IOReturn result, void *sender, IOHIDValueRef value);Parameters
- context:
void * pointer to more data.
- result:
Completion result of desired operation.
- sender:
Interface instance sending the completion routine.
- value:
IOHIDValueRef containing the returned element value.
Discussion
Type and arguments of callout C function that is used when an element value completion routine is called.