... 嗯嗯... alright, point well taken,... truth be told, all i did was follow along from my code to the source... and then i read the doc... and then i thought,... well... exactly what i posted about....
... 所以 .... i see what you mean, perhaps i could have done a more thorough search online, .... still, to me at least the doc does not seam like it is 100% correct the way it currently is.