#define ARL  1    // application revision level

// application state values for AdjustWndProc (appState)
// note: the order must match order of button creation
#define IDM_BASE      100
#define IDM_OK        100
#define IDM_CALIBRATE 101
#define IDM_DEFAULTS  102
#define IDM_TEST      103
#define IDM_CANCEL    104

// alignment interface structure
typedef struct _TARGETAREA {
  LONG xlow;
  LONG xcen;
  LONG xhigh;
  LONG ylow;
  LONG ycen;
  LONG yhigh;
} TARGETAREA;

// alignment interface commands
#define PAINT_TARGET    WM_USER+1
#define ALIGNMENT_DONE  WM_USER+2
#define DEFAULTS_PART2  WM_USER+3
