1>------ 已启动生成: 项目: DecCallBack_Demo, 配置: Debug x64 ------
1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Microsoft.CppBuild.targets(368,5): warning MSB8004: Output Directory does not end with a trailing slash. This build instance will add the slash as it is required to allow proper evaluation of the Output Directory.
1> DecCallBack_DemoDlg.cpp
1>DecCallBack_DemoDlg.cpp(374): warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1> C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt\stdio.h(1769): note: 参见“sprintf”的声明
1>DecCallBack_DemoDlg.cpp(375): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1> C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt\string.h(346): note: 参见“strncpy”的声明
1>DecCallBack_DemoDlg.cpp(376): warning C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1> C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt\string.h(346): note: 参见“strncpy”的声明
1>DecCallBack_DemoDlg.cpp(518): warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1> C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt\stdio.h(1769): note: 参见“sprintf”的声明
1>DecCallBack_DemoDlg.cpp(519): warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1> C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt\stdio.h(205): note: 参见“fopen”的声明
1>DecCallBack_DemoDlg.obj : error LNK2019: 无法解析的外部符号 GdiplusStartup，该符号在函数 "protected: virtual int __cdecl CDecCallBack_DemoDlg::OnInitDialog(void)" (?OnInitDialog@CDecCallBack_DemoDlg@@MEAAHXZ) 中被引用
1>gdiplus.lib : warning LNK4272: 库计算机类型“X86”与目标计算机类型“x64”冲突
1>bin/DecCallBack_Demo.exe : fatal error LNK1120: 1 个无法解析的外部命令
========== 生成: 成功 0 个，失败 1 个，最新 0 个，跳过 0 个 ==========
看下你电脑是不是32位系统,
这个编译器是64位的,x64可以兼容x86,但是x86不能编译x64,如果是的话,下载对应32位版本的程序即可