llListenControl

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/LSL

ListenControl

llListenControl

Summary

Function: llListenControl( integer handle, integer active );

26	Function ID
0.0	Forced Delay
10.0	Energy

Makes listen event callback handle active or inactive

• integer	handle	–	handle to control listen event
• integer	active	–	TRUE (default) activates, FALSE deactivates

Caveats

• On state change or script reset all listens are removed automaticaly.

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Examples

a small example of an on and off switchable listen by use of llListenControl()

integer handle;
integer toggle;
default
{
    state_entry()
    {
        handle = llListen(5, "", NULL_KEY, "");    // Establish a listener to listen to anything on channel 5 ...
        llListenControl(handle, FALSE);            // ... but make the listener inactive for now
        llSetText("not listening", <0.0,0.0,0.0>, 1.0);
    }

    touch_start(integer total_number)
    {
        toggle = !toggle;
        llListenControl(handle, toggle);           // Make the listener active or inactive as required

        if(toggle)
        {
            llSay(0, "now listening on channel 5");
            llSetText("listening on ch 5", <1.0,0.0,0.0>, 1.0);
        }
        else
        {
            llSay(0, "not listening any more");
            llSetText("not listening", <0.0,0.0,0.0>, 1.0);
        }     
    }
    
    listen(integer channel, string name, key id, string message)
    {
        llSay(0, name + " just said " + message);
    }
}

See Also

Events

•

listen

Functions

•	llListen
•	llListenRemove

Deep Notes

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Signature
function void llListenControl( integer handle, integer active );