IsSubscribed Method

Retrieves a value indicating whether the client subscribes to the given channel.

dhtml语法

bSubscribed = external.IsSubscribed(sURLToCDF)

Parameters

sURLToCDF Required. Stringthat specifies the URL of a Channel Definition Format (CDF) file to be checked for a subscription.

Return Value

Boolean that receives one of the following possible values.
true The client subscribes to the channel.
false No subscription exists for the 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™, see introduction to active channel technology.
this method is not supported in introduction to html applications (htas).

是否符合公共标准

There is no public standard that applies to this method.

Applies To

external