Sep 2, 2019 · I have found a workaround. If you #import XXX.dll and the compiler complains about that it "cannot open source file XXX.tlh", just add this line above the #import line: #include "[full path of XXX.tlh]" and comment out the #import line. It should now pass the compilation because the file XXX.tlh does exist.

Right-click on the project name in the Solution Explorer window. Select Properties. Under Configuration Properties, click on C/C++. Under General, add the directory to your header files under the Additional Include Directories section. Save your changes and try …

Mar 18, 2012 · You need to check your project settings, under C++, check include directories and make sure it points to where GameEngine.h resides, the other issue could be that GameEngine.h is not in your source file folder or in any include directory and resides in a different folder relative to your project folder.

May 30, 2021 · Normally you will face c++ cannot open source file “errno.h” in MS Visual Studio c++ projects. These are some solutions to remove opening errors for “errno.h” file. I got the errors to go away by installing the Windows Universal CRT SDK component, which adds support for legacy Windows SDKs.

Mar 21, 2011 · It is complaining about a tlh file in all cases. You import the tlb and the compiler generates the thl file. I just tested it and on VC6, 2005, 2008, 2010. It compiles on VC6, the others have a namespace issue, but I don't get the error you see. You need to sort out your environment. THANK YOU kbw.

Mar 21, 2023 · #import statements are not resolved in C++/CLI code. This leads to error squiggles being disabled for the entire translation unit if C_Cpp.errorSquiggles is set to enabledIfIncludesResolve which makes that setting unusable in C++/CLI codebases.

May 15, 2022 · Try to install Windows SDK in visual studio installer, for example if your OS is Win10, install Windows 10 SDK. I see you are using template, so in the language standard you have to use at least C++17.

Jun 8, 2021 · Make sure that you are setting the project properties for the platforms that you are actually building for. For example, the additional include directories need to be set for both x86 (Win32) and x64. Do the Red squiggles under the go away? If VS can find it then the compiler should be able too.

Sep 12, 2023 · After installing the Windows SDK, open VS and your project, click Project > Retarget solution > in "Review Solution Actions" window, select the corresponding Windows SDK version > click OK. Since we cannot confirm the specific source files which cannot be opened on your side, you may check if there’s any other components that you need to ...

When you encounter the error "cannot open source file" in C++, it typically indicates that the compiler cannot find the specified header or source file, which may be due to incorrect file paths or missing files. Here's an example of how to include a header file correctly in C++: