typedef struct tagRAWMOUSE {
    


    USHORT usFlags;

    


    union {
        ULONG ulButtons;
        struct  {
            USHORT  usButtonFlags;
            USHORT  usButtonData;
        };
    };


    


    ULONG ulRawButtons;

    


    LONG lLastX;

    


    LONG lLastY;

    


    ULONG ulExtraInformation;

} RAWMOUSE, *PRAWMOUSE, *LPRAWMOUSE;