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Deactivates a grammar element or one of its rules.
listen.Deactivate(grammarName, ruleName)
Remarks
The Deactivate method must be called before recognition begins. If the Deactivate method is called after a recognition begins, it will have no effect until the recognition is restarted. If the grammar rule does not exist, Deactivate has no effect. If all the top-level rules are deactivated, the grammar element is considered deactivated.
Parameters
- grammarName
Required. Name of the grammar to be deactivated. - ruleName
Optional. Name of the top-level rule to be deactivated. If ruleName is not specified, all top-level rules in grammarName are deactivated.
Example
The following code demonstrates activating and deactivating rules of a grammar within a listen element.
<html xmlns:salt="http://www.saltforum.org/2002/SALT">
<body onload="p1.start()">
<prompt id="p1" oncomplete="StartReco()" bargeIn="false">
What time would you like to travel today?
</prompt>
<listen id="r1" onreco="VerifyResult()" >
<grammar name="g1" src="./time.grxml" />
<grammar name="g2" src="./commands.grxml" />
<grammar name="g3" src="./servicejump.grxml" />
<grammar name="g4" src="./correctdate.grxml" />
</listen>
<script language="JScript">
<!--
function StartReco() {
// Deactivate service jumps, and activate HELP global command only
r1.Deactivate("g3");
r1.Deactivate("g2");
r1.Activate("g2", "help");
r1.Start();
}
-->
</script>
</body>
<html>