USERBUTTON

User-button data structure. typedef struct _USERBUTTON { HWND     hwnd;        /*  Window handle. */  HPS       hps;         /*  Presentation-space handle. */  ULONG     fsState;     /*  New state of user button. */  ULONG     fsStateOld;  /*  Old state of user button. */ } USERBUTTON; typedef USERBUTTON *PUSERBUTTON;