| Microsoft DirectX 8.1 (Visual Basic) | 
SetSessionDesc(ClientConfig As DVSESSIONDESC)
If the method fails, Err.Number can be set to one of the following values.
| DVERR_INVALIDPARAM | 
| DVERR_NOTHOSTING | 
| DVERR_NOTINITIALIZED | 
| DVERR_INVALIDPOINTER | 
| DVERR_SESSIONLOST | 
| DVERR_INVALIDOBJECT | 
After the Microsoft® DirectPlay® Voice session has started, not all the session properties of the DVSESSIONDESC type can be changed. For more information, see DVSESSIONDESC.