| Microsoft DirectX 8.1 (C++) | 
Retrieves the status of a specified device.
HRESULT GetDeviceStatus( REFGUID rguidInstance );
If the method succeeds, the return value is DI_OK if the device is attached to the system, or DI_NOTATTACHED otherwise.
If the method fails, the return value can be one of the following error values:
| DIERR_GENERIC | 
| DIERR_INVALIDPARAM | 
| DIERR_NOTINITIALIZED | 
  Windows NT/2000/XP: Requires Windows® 2000.
  Windows 98/Me: Requires Windows 98 or later. Available as a redistributable for Windows 98.
  Header: Declared in Dinput.h.