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Returns whether the client subscribes to the given channel.
Syntax
bSubscribed = window.external.IsSubscribed(sURLToCDF)
Parameters
sURLToCDF Required. String that specifies the URL of a Channel Definition Format (CDF) file to be checked for a subscription.
Return Value
Boolean. Returns true if the channel is subscribed to, or false if no subscription exists for that CDF file.
Remarks
For security purposes, if this method is used in an HTML page that is not in the same secondary domain specified in sURLToCDF, the method returns a scripting error.
For more information about Microsoft® Active Channel™ technology, see the Active Channel Technology Overview.
This method is not supported in HTML Applications.
Applies To
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