| DirectX SDK | 
The IDirectInput7::GetDeviceStatus method 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: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dinput.h.
  Import Library: Use dinput.lib.