|   | Class | Description | 
|---|
  | ConnectionInfo | 
            Contains the necessary information to stablished a permanent session with LinkarSERVER. Used by Login operation and Permanent operations.
             | 
  | CredentialOptions | 
            Contains the necessary information to connect to the Database.
             | 
  | Linkar | 
            Class with two static functions to perform Direct and Persistent operation with Linkar Server
             | 
  | LkException | 
            The ExecuteDirectOperation(CredentialOptions, Byte, String, Byte, Byte, Int32) and ExecutePersistentOperation(ConnectionInfo, Byte, String, Byte, Byte, Int32) functions can generate LkException exceptions when a LINKAR system error occurs.
             |