针对你遇到的问题“no template named 'variant' in namespace 'std'”,这通常意味着你的编译环境没有正确配置以支持C++17或更高版本的标准,而std::variant是C++17中引入的一个新特性。下面我将按照你提供的提示,逐一进行解答: 确认编译环境是否支持C++17或以上标准: 不同的编译器对C++17的支持情况不同。例如...
OpenXml.Spreadsheet DocumentFormat.OpenXml.Validation DocumentFormat.OpenXml.VariantTypes DocumentFormat.OpenXml.Vml DocumentFormat.OpenXml.Vml.Office DocumentFormat.OpenXml.Vml.Presentation DocumentFormat.OpenXml.Vml.Spreadsheet DocumentFormat.OpenXml.Vml.Wordprocessing DocumentFormat.OpenXml.Wordprocessing...
OpenXml.Spreadsheet DocumentFormat.OpenXml.Validation DocumentFormat.OpenXml.VariantTypes DocumentFormat.OpenXml.Vml DocumentFormat.OpenXml.Vml.Office DocumentFormat.OpenXml.Vml.Presentation DocumentFormat.OpenXml.Vml.Spreadsheet DocumentFormat.OpenXml.Vml.Wordprocessing DocumentFormat.OpenXml.WordprocessingLearn ...
I am converting an old project in C++ to Visual studio 2013. when I build I get swarms of errors like thisError 9 error C2665: 'CObject::operator new' : none of the 3 overloads could convert all the argument types lThe line that causes this one is ...
You may be right for the F8 key used in VBA, Excel and Word but I assure you I have never used any of those keys within Office. I took your advice and tried the F10 key and what do you know it does the step by step?? Very strange since I have over the years been using my...
This file afxwin.h is found in C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\atlmfc\includeMy projects VC++ Directories has Include set to: $(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(WindowsSdkDir)include;$(FrameworkSDKDir)\inclu...
OpenXml.Spreadsheet DocumentFormat.OpenXml.Validation DocumentFormat.OpenXml.VariantTypes DocumentFormat.OpenXml.Vml DocumentFormat.OpenXml.Vml.Office DocumentFormat.OpenXml.Vml.Presentation DocumentFormat.OpenXml.Vml.Spreadsheet DocumentFormat.OpenXml.Vml.Wordprocessing DocumentFormat.OpenXml.Wordprocessing...
//class1.cs using System.Reflection; using System.Runtime.InteropServices; namespace ClassLibrary1 { [DefaultMember("Value")] public class Class1 { public int Value { // using attribute on the return type triggers the compiler bug [return: MarshalAs(UnmanagedType.I4)] get; } } [DefaultMe...
//class1.cs using System.Reflection; using System.Runtime.InteropServices; namespace ClassLibrary1 { [DefaultMember("Value")] public class Class1 { public int Value { // using attribute on the return type triggers the compiler bug [return: MarshalAs(UnmanagedType.I4)] get; } } [DefaultMe...
This file afxwin.h is found in C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\atlmfc\includeMy projects VC++ Directories has Include set to: $(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(WindowsSdkDir)include;$(FrameworkSDKDir)\includ...