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