一个利用DCL设置CAD系统变量的例子,类似的利用这个可以设置其它系统变量。

DCL对话框代码如下。

dia5a:dialog {
    label = "系统变量设置" ;
    :edit_box {
        edit_width = 6 ;
        key = "edit_p" ;
        label = "PlineWid" ;
    }
    :edit_box {
        edit_width = 6 ;
        key = "edit_f" ;
        label = "FilletRad" ;
    }
    :edit_box {
        edit_width = 6 ;
        key = "edit_t" ;
        label = "TextSize" ;
    }
    :edit_box {
        edit_width = 6 ;
        key = "edit_s" ;
        label = "SaveTime" ;
    }
    ok_cancel;
}

LSP文件代码如下。

(defun c:dia5a ()
    (setvar "cmdecho" 0)
    (dcl_dia5a)
    (prin1)
)
(defun dcl_dia5a ()
    (setq dcl_id (load_dialog "dia5a"))
    (new_dialog "dia5a" dcl_id)
    (set_tile "edit_p" (rtos (getvar "plinewid")))
    (set_tile "edit_f" (rtos (getvar "filletrad")))
    (set_tile "edit_t" (rtos (getvar "textsize")))
    (set_tile "edit_s" (rtos (getvar "savetime")))
    (action_tile "accept" "(ok_dia5a) (done_dialog 1)")
    (start_dialog)
)
(defun ok_dia5a    ()
    (setvar "plinewid" (atof (get_tile "edit_p")))
    (setvar "filletrad" (atof (get_tile "edit_f")))
    (setvar "textsize" (atof (get_tile "edit_t")))
    (setvar "savetime" (atof (get_tile "edit_s")))
)

代码完。

先将DCL和LSP文件路径设置为AutoCAD自动搜索路径,才可以加载成功。

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