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?來(lái)源:程序化99
以三根為例更多畫線可以參考一下方式添加：
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N:=100;
DRAWSL(ISLASTBAR&&ISUP,C,0,10,0,COLORWHITE);
DRAWSL(ISLASTBAR&&ISUP,C-N,0,10,0,COLORWHITE);
DRAWSL(ISLASTBAR&&ISUP,C-2*N,0,10,0,COLORWHITE);
DRAWSL(ISLASTBAR&&ISDOWN,C,0,10,0,COLORWHITE);
DRAWSL(ISLASTBAR&&ISDOWN,C+N,0,10,0,COLORWHITE);
DRAWSL(ISLASTBAR&&ISDOWN,C+2*N,0,10,0,COLORWHITE);