+的功能),在编译的时候有warning C4251的警告,F5运行程序没有什么问题,但是直接打开exe的时候就崩溃了,怀疑和这个C4251有关,在网上查看了一下发现string类并不是一个DLL的导出类,程序在执行的时候,可能会调用不动的DLL库,有些说的添加template class __declspec( dllexport ) std::***没有用,警告依然
1>xclock.h(29): warning C4251: “XClock::m_FileName”: class“std::basic_string<char,std::char_traits<char>,std::allocator<char>>”需要有 dll 接口由 class“XClock”的客户端使用 1>xstring(2633): note: 参见“std::basic_string<char,std::char_traits<char>,std::allocator<char>>”的...
class, right? Is it even unsafe to return a reference to an std::string, or a reference to a vector? That should be fine, and the static data usage by the classes Q172396 is talking about was eliminated in VC7. (Dinkumware also published patches for the associative container...
Warning 1 warning C4251: 'reg::RegPartBase::mPartText' : class 'std::basic_string<_Elem,_Traits,_Alloc>' needs to have dll-interface to be used by clients of class 'reg::RegPartBase' c:\srcpp\libfilepreview\x64\debug\RegPart.h 32 1 LibFilePreview I have a class in a DL...
warning C4251: 'std::_Vector_val<_Ty,_Alloc>::_Alval' : class std::allocator<_Ty>'needs to have dll-interface to be used by clients of class 'std::_Vector_val<_Ty,_Alloc>' Which will be frustrating. This is because while we all use "std::vector<T>", the actual class defini...
'needs to have dll-interface' warning 2011-08-01 10:54 − class 里面有std::vector<std::string> str的时候提示C4251 warning: needs to have dll-interface... http://www.programmersheaven.com/mb/CandCPP/310449/31044... 旧博客 0 715 ...
C/C++ : converting std::string to const char* I get the error : left of '.c_str' must have class/struct/union type is 'char *' C# to C++ dll - how to pass strings as In/Out parameters to unmanaged functions that expect a string (LPSTR) as a function parameter. C++ int to...
1>xclock.h(29): warning C4251: “XClock::m_FileName”: class“std::basic_string<char,std::char_traits<char>,std::allocator<char>>”需要有 dll 接口由 class“XClock”的客户端使用 1>xstring(2633): note: 参见“std::basic_string<char,std::char_traits<char>,std::allocator<char>>”的...
warning C4239: * nonstandard extension used:* * 'default argument':* * conversion from* * 'std::vector<std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t>>,std::allocator<_Ty>>' to* * 'std::vector<std::basic_string<wchar_t,std::char_traits<wchar_t>,...