| Microsoft DirectX 8.1 (C++) | 
Describes a calibration point. An array of CPOINT structures is contained by a DIPROPCPOINTS structure.
typedef struct _CPOINT
{
    LONG  lP; 
    DWORD dwLog; 
} CPOINT, *PCPOINT;
  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.