In vs2019 then write code for the first time, small white save file code and open it again after another separate code, then we may not be able to debug, in the school computer room to use the 2008 version don't have this problem

CodePudding user response:

Vs2008 project with vs2019 directly across versions too much open may has some problems, suggested to use VS version at school, at home according to use the same version;