| Microsoft DirectX 8.1 (Visual Basic) | 
Closes the open connection to a session.
Close([lFlags As Long]);
If the method fails, Err.Number can be set to the following value.
| DPNERR_UNINITIALIZED | 
Calling Close will cancel all outstanding operations, including data sent as guaranteed. To make sure all messages are sent, wait for all outstanding Send calls to complete before calling Close.