Autocad中的lisp二次开发，DCL对话框，功能：批量替换所有已打开的DWG文件中的字符-Autocad lisp in the second development, DCL dialog features: batch replace all open DWG file character

打开和预览dcl文件，显示对话框效果。使用平台：AutoCAD。编写语言lisp。(View and pen dcl document to show the visual effect of the dcl dialog. The reason is that the dcl code couldn't show the dialog straightly by the dcl document. The working environment is AutoCAD, and the lang