| Microsoft DirectX 8.1 (C++) | 
Retrieves the Microsoft® DirectPlay® Voice session settings.
HRESULT GetSessionDesc( PDVSESSIONDESC pvSessionDesc );
Returns DV_OK if successful, or one of the following error values.
| DVERR_INVALIDOBJECT | 
| DVERR_INVALIDPARAM | 
| DVERR_INVALIDPOINTER | 
| DVERR_NOTHOSTING | 
| DVERR_NOTINITIALIZED | 
| DVERR_SESSIONLOST | 
Before calling this method, make sure to set the dwSize member of the DVSESSIONDESC structure.
A successful call to IDirectPlayVoiceServer::StartSession must be made before this method can be called.
  Windows NT/2000/XP: Available as a redistributable for Windows 2000 and later.
  Windows 98/Me: Available as a redistributable for Windows 98 and later.
  Header: Declared in Dvoice.h.