| Microsoft DirectX 8.1 (C++) | 
The DIDFT_MAKEINSTANCE macro creates an instance identifier of a device object for packing in the dwType member of the DIOBJECTDATAFORMAT structure.
DIDFT_MAKEINSTANCE(n) ((WORD)(n) << 8)
  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.