请帮忙测试，修改填充比例或角度，64位win7，cad2008可用，求再优化
;参考了明经论坛ucuc2003和Gu_xl的源码;修改填充图案比例
(defun C:gtb (/ hpsc ss name ent old_hatchbl new_hatchbl n )
(setvar "cmdecho" 0)
(setq hpsc (getvar "hpscale"))
(command "_.undo" "_begin")
(princ "\n请选择需要改变比例的填充图案")
(setq ss (ssget '((0 . "hatch"))) )
(setq name (ssname ss 0))
(setq ent (entgetname))
(setq old_hatchbl (cdr (assoc 41 ent)))
(setq n 0) ;序号的初值设为0
(princ (strcat "\n当前填充图案的比例:<"(rtos old_hatchbl 2 2 )">"))
(setq new_hatchbl (getdist "\n请输入新的填充比例"))
(if (= new_hatchbl nil) (setq new_hatchbl old_hatchbl))
(repeat
(sslength ss);重复执行ss的长度的次数，即对象的个数
(setq name (ssname ss n));得到选择集内第n个对象的图元名
(vla-put-PatternScale (vlax-ename->vla-object name) new_hatchbl)
(setq n(1+ n));序号n的数量加1
);end repeat
(command "_.undo" "_end")
(setvar "hpscale" hpsc)
(princ (strcat "\n填充比例已改为:<"(rtos new_hatchbl)"> "))
(princ)
);end defun
;修改填充图案角度
(defun C:gtj (/ oldhpang ss name ent old_hatchjd new_hatchjd n )
(setvar "cmdecho" 0)
(setq oldhpang (getvar "hpang"))
(command "_.undo" "_begin")
(princ "\n请选择需要改变角度的填充图案")
(setq ss (ssget '((0 . "hatch"))) )
(setq name (ssname ss 0))
(setq ent (entget name))
(setq old_hatchjd (cdr (assoc 52 ent)))
(setq n 0) ;序号的初值设为0
(princ (strcat "\n当前填充图案的角度:<"(angtos old_hatchjd )">度"))
(setq new_hatchjd(getangle "\n请输入新的填充角度"))
(if (= new_hatchjd nil) (setq new_hatchjd old_hatchjd))
(repeat
(sslength ss);重复执行ss的长度的次数，即对象的个数
(setq name (ssname ss n));得到选择集内第n个对象的图元名
(vla-put-PatternAngle (vlax-ename->vla-object name) new_hatchjd)
(setq n(1+ n));序号n的数量加1
);end repeat
(command "_.undo" "_end")
(setvar "hpang" oldhpang)
(princ (strcat "\n填充角度已改为:<"(angtos new_hatchjd)">度 "))
(princ)
);end defun
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