viz528 发表于 2006-6-29 13:25:00

[求助][0629]此一物件反应器范例疑问

<P><BR>请教此一"线与圆的"范例的3个问题</P>
<P>01.如果对象反应器物件被删除时,该怎样使其失效及移除反应器呢?<BR>02.如果对象反应器物件被删除后,该怎样使增加的物件连结到其反应器呢?<BR>03.notifier-object reactor-object parameter-list 至三个值是可以任意取名的吗?<BR>&nbsp; 还是说有涵义及规定呢?</P>
<P>烦请各位高手可以解答一下~<BR>谢谢~</P>
<P><BR>范例:<BR>(VL-Load-Com)<BR>(Defun Line-C (notifier-object reactor-object parameter-list)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ cen (HandEnt (VLR-Data reactor-object)))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ len (VLAX-VLA-Object-&gt;EName notifier-object)<BR>&nbsp;&nbsp;&nbsp;&nbsp; lel (EntGet len)<BR>&nbsp;&nbsp;&nbsp;&nbsp; pt1 (Cdr (Assoc 10 lel))<BR>&nbsp;&nbsp;&nbsp;&nbsp; pt2 (Cdr (Assoc 11 lel))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; )<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ cel (EntGet cen)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cel (Subst (VL-List* 10 pt2) (Assoc 10 cel) cel)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cel (Subst (VL-List* 40 (/ (Distance pt1 pt2) Pi 2))(Assoc 40 cel) cel)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; )<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (EntMod cel)<BR>)</P>
<P>(Defun C:TR01 ()<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ pt1 (GetPoint "\n起点：")<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; pt2 (GetPoint pt1 "\n末点：")<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; )<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (Command "line" pt1 pt2 "")<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ len (EntLast))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (Command "circle" pt2 (/ (Distance pt1 pt2) Pi 2))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ chl (Cdr (Assoc 5 (EntGet (EntLast)))))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ rlt (Cons (VLAX-EName-&gt;VLA-Object len) '()))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (SetQ vrl (VLR-Pers (VLR-Object-Reactor rlt chl '((:vlr-modified . Line-C)))))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (PrinC "\n已建立的反应器有: ")(PrinC (VLR-Reactors))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (PrinC)<BR>)</P>
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