[This documentation is preliminary and is subject to change.]
Obsolete. Retrieves a value indicating whether the client subscribes to the given channel.
This method is not supported for Metro style apps using JavaScript.
Syntax
var retval = external.IsSubscribed(URL);Standards information
There are no standards that apply here.
Parameters
- URL [in]
-
Type: BSTR
A String that specifies the URL of a CDF file to check for a subscription.
Return value
Type: BooleanBoolean that receives one of the following possible values.
| Return value | Description |
|---|---|
|
The client subscribes to the channel. |
|
No subscription exists for the CDF file. |
Remarks
In Windows Internet Explorer 7, the CDF is obsolete and should not be used.
For security purposes, if this method is used in an HTML page that is not in the same secondary domain specified in URL, 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).
Build date: 3/8/2012