rem: paintScrollView(sPtr);
add: if (event->xexpose.serial == 0)  W_RedisplayView(sPtr->contentView); else paintScrollView(sPtr);
context: handleEvents(XEvent *event, void *data){    ScrollView *sPtr = (ScrollView*)data;    CHECK_CLASS(data, WC_ScrollView);    switch (event->type) {	     case Expose:	if (event->xexpose.count!=0)	    break;	paintScrollView(sPtr);	break;	     case DestroyNotify:	destroyScrollView(sPtr);	break;	    }}