Return whether the status of the Connection is connected or not. 
- Parameters
 - 
  
    | self | The Connection. This must not be NULL.  | 
  
   
- Return values
 - 
  
    | FALSE | if the Connection is not connected.  | 
    | TRUE | if the Connection is connected. | 
  
   
- See Also
 - DOFConnectionState_IsConnected