hi beinan -

as tarmo said, there are many ways in csound to do this (he and hlödver 
showed some).  perhaps i may add, that in my experience, it is not very 
efficient, to "copy" some behaviour from max or pd in csound (like here 
"start" and "stop" messages).  in particular in scheduling events, pd 
and csound are very different; and the solutions for "turning something 
off" will depend on the situation.

so, perhaps better to describe the situation in which you want to "turn 
off" the metro, so that people can share ideas how to do this best.

bye -
	joachim



On 24/02/16 22:40, Beinan Li wrote:
> Hi Csound,
>
> The PD metro object has a left inlet through which one can send
> Start/Stop messages to start and stop the metro at any time.
>
> I wonder if there is a "straightforward" way in Csound to achieve this
> with the metro object (or similar time-loop mechanism) without using an
> explicit logic.
>
>
> Thanks,
> Beinan
>
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