public static extern int get_analog_output(ref int handle, JKTYPE.IOType type, int index, ref float result);
public static extern int set_analog_output(ref int handle, JKTYPE.IOType type, int index, float value);
public static extern int get_digital_output(ref int handle, JKTYPE.IOType type, int index, ref bool result);
public static extern int set_digital_output(ref int handle, JKTYPE.IOType type, int index, bool value);