typedef struct tagJOYCAPSA {
    WORD    wMid;                
    WORD    wPid;                
    CHAR    szPname[MAXPNAMELEN];
    UINT    wXmin;               
    UINT    wXmax;               
    UINT    wYmin;               
    UINT    wYmax;               
    UINT    wZmin;               
    UINT    wZmax;               
    UINT    wNumButtons;         
    UINT    wPeriodMin;          
    UINT    wPeriodMax;          
#if (WINVER >= 0x0400)
    UINT    wRmin;               
    UINT    wRmax;               
    UINT    wUmin;               
    UINT    wUmax;               
    UINT    wVmin;               
    UINT    wVmax;               
    UINT    wCaps;               
    UINT    wMaxAxes;            
    UINT    wNumAxes;            
    UINT    wMaxButtons;         
    CHAR    szRegKey[MAXPNAMELEN];
    CHAR    szOEMVxD[MAX_JOYSTICKOEMVXDNAME]; 
#endif
} JOYCAPSA, *PJOYCAPSA, *NPJOYCAPSA, *LPJOYCAPSA;

typedef JOYCAPSA JOYCAPS;