this files already exist in the project 怎么向StdAfx.h中添加语句

this files already exist in the project 怎么向StdAfx.h中添加语句
this files already exist in the project 怎么向StdAfx.h中添加语句

this files already exist in the project 怎么向StdAfx.h中添加语句
翻译这句英文为：在工程中已经存在这个文件.出现这个可能的情况,很可能是编译器迟钝,或者是之前的添加步骤有误.