目录%S和%s用法string和wstring转换方法总结在C++项目编程中，由于项目工程被设置为Unicode编码，因此经常遇到std::string类型和std::wstring类型相互转换的场景，现在将转换方法分享给大家：
I am trying to develop abstract design pattern code for one of my project as below.. But, I am not able to compile the code ..giving some compile errors(like \"unresolved external symbol \"public: vir
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