请教一下各位大师,下面有一段代码。
现在的问题是,按照画图的习惯,一般再第9段程序,画几根直线就会按ESC,一般很少连续画5根直线,这个时候就会按esc结束程序,可是第10-12段就不会执行了,捕捉和正交也不能关闭了。怎么办,有什么办法 再按esc后还可以继续执行后面的程序。
网友答:
试试这个:

网友答:
第一个想法是定义一个*error*函数,vl-cmdf的办法不错,学习了网友答:
网友答:
不是应该用vl-catch-all-apply函数吗网友答:
长知识了!
- (defun c
Hcutinoutline () - (setvar "osmode" 128)
- (setvar "orthomode" 1)
- (setq chklay (tblsearch "layer" "4"))
- (if (= chklay nil) (command "layer" "n" "4" "c" "50" "4" ""))
- (setvar "clayer" "4")
- (setvar "CECOLOR" "bylayer")
- (setvar "CELTYPE" "Continuous")
- (command "LINE" PAUSE PAUSE PAUSE PAUSE PAUSE PAUSE )
- (setvar "osmode" 0)
- (setvar "orthomode" 0)
- (princ"\n 垂直引入线 第4层") (princ)
- );end defun
现在的问题是,按照画图的习惯,一般再第9段程序,画几根直线就会按ESC,一般很少连续画5根直线,这个时候就会按esc结束程序,可是第10-12段就不会执行了,捕捉和正交也不能关闭了。怎么办,有什么办法 再按esc后还可以继续执行后面的程序。
网友答:
试试这个:

- (defun c:Hcutinoutline (/ aa chklay)
- (setvar "osmode" 128)
- (setvar "orthomode" 1)
- (setq chklay (tblsearch "layer" "4"))
- (if (= chklay nil) (command "layer" "n" "4" "c" "50" "4" ""))
- (setvar "clayer" "4")
- (setvar "CECOLOR" "bylayer")
- (setvar "CELTYPE" "Continuous")
- (setq aa T)
- (vl-cmdf "LINE" PAUSE)
- (while aa
- (if (null (vl-cmdf PAUSE))
- (progn
- (setvar "osmode" 0)
- (setvar "orthomode" 0)
- (princ"\n 垂直引入线 第4层")
- (setq aa nil)
- )
- )
- )
- (princ)
- )
网友答:
ssyfeng 发表于 2022-7-27 21:01
试试这个:
第一个想法是定义一个*error*函数,vl-cmdf的办法不错,学习了网友答:

- (defun c:tt ()
- (setq la (getvar 'clayer)os (getvar 'osmode))
- (setvar 'osmode 128)
- (setvar 'orthomode 1)
- (setvar 'celtype "Continuous")
- (if (= (tblsearch "layer" "4") nil)
- (command "-layer" "n" "4" "c" "50" "4" "S" "4" "")
- (setvar "clayer" "4")
- )
- (command "LINE")
- (while (/= 0 (getvar "cmdactive")) (command pause))
- (setvar 'osmode os)
- (setvar 'orthomode 0)
- (setvar 'clayer la)
- (princ)
- )