Called by the server application to advise the client of a change in
the data associated with the given item. Causes the client
connection's \helpref{wxDDEConnection::OnAdvise}{wxddeconnectiononadvise}
member to be called. Returns true if successful.
Called by the server application to advise the client of a change in
the data associated with the given item. Causes the client
connection's \helpref{wxDDEConnection::OnAdvise}{wxddeconnectiononadvise}
member to be called. Returns true if successful.