UnsubscribeRequest(String,RequestCallback,IntPtr)

Unsubscribes to request topics matching the specified topic, callback, and userData.

Passing NULL values makes it possible to unsubscribe from multiple topics in the same call.

Sending a NULL or empty topic matches any topic.

Sending a NULL callback matches any callback.

Sending a NULL userData matches any userData.

The call is synchronous.

See SubscribeRequest(String,RequestCallback,IntPtr) for more information.

Parameters

• topic : string : Name of the request to unsubscribe from.

• callback : RequestCallback : The RequestCallback that specifies the function to call when the data is available.

• userData : IntPtr : The userData sent to the callback when invoked.

Return

Status : Status that indicates if the operation succeeds.