public ActionRefFloat newCallBackHandler; // This is for a function not yet implemented
public Fortan()
{
callbackHandler = new ActionRefInt(OnUpdateProgress);
newCallBackHandler = new ActionRefFloat(NewOnUpdateProgress); // For future function
}
public static extern void divisiondif(ref float first, ref float second, [MarshalAs(UnmanagedType.FunctionPtr)] ActionRefFloat callBack);
