Subscribes a client Connection
object to a particular symbol and field so that when a value is updated by
the server Connection object in
real time, the Update event will fire in the client
Connection object.
Return Type
BOOL
Syntax
Subscribe (BSTR Symbol, BSTR Field) |
Remarks
The Login method must be used to
authenticate a user before this method may be called. Any permission
type may be used to subscribe to real time data.
This method returns TRUE if the symbol is allowed, or FALSE if it is not. Allowed symbols for the currently authenticated user may be retrieved via the ListAllSymbols Method and ListSymbol Event.
See Also
UnSubscribe, Login, Connection Object, Login Database, Administration, ListAllSymbols Method, ListSymbol Event