Sends a MON_CLIENT_SUBSCRIBE_POLL_CALL message to the target client.
This poll returns a list of subjects the client is subscribed to in a
MON_CLIENT_SUBSCRIBE_POLL_RESULT message.
Note: This method should only be invoked when using a single,
global RTserver connection via the Srv method.
public static void clientSubscribePoll( stringclient );
Parameters
client
the unique subject of the client that is to receive the poll,
or ALL