竹线变色 (文华财经WH6赢顺V6.7)

参考：

DRAWSL(C>=O,O,0,-0.35,0,COLORRED),LINETHICK2;
DRAWSL(C>=O,C,0,0.35,0,COLORRED),LINETHICK2;
DRAWSL(ISDOWN,O,0,-0.35,0,COLORCYAN),LINETHICK2;
DRAWSL(ISDOWN,C,0,0.35,0,COLORCYAN),LINETHICK2;
DRAWLINE(C>=O,L,ISUP,H,COLORRED),LINETHICK2;
DRAWLINE(ISDOWN,H,ISDOWN,L,COLORCYAN),LINETHICK2;