谢谢小菜, 我试了
(command "vslide" (strcat "E:\\Program Files\\AutoCAD
2010\\Support\\test\\" a ".sld" ) ) vslide
Enter name of slide file to view <C:\Documents and Settings\Administrator\My
Documents\Drawing1>: ; error: bad argument type: stringp nil
Enter name of slide file to view <C:\Documents and Settings\Administrator\My
Documents\Drawing1>: SH-P2P