r = WC(GetEventParameter)(e,kEventParamMouseWheelDelta,typeSInt32,NULL,sizeof(delta),NULL,&delta);
checkStatus(r,"GetEventParameter");
switch(axis) {
r = WC(GetEventParameter)(e,kEventParamMouseWheelDelta,typeSInt32,NULL,sizeof(delta),NULL,&delta);
checkStatus(r,"GetEventParameter");
switch(axis) {