Where does Visual Studio look for C++ header files?

I checked out a copy of a C++ application from SourceForge (HoboCopy, if you're curious) and tried to compile it.

Visual Studio tells me that it can't find a particular header file. I found the file in the source tree, but where do I need to put it, so that it will be found when compiling?

Are there special directories?


Visual Studio looks for headers in this order:

  • In the current source directory.
  • In the Additional Include Directories in the project properties (under C++ | General).
  • In the Visual Studio C++ Include directories under ToolsOptionsProjects and SolutionsVC++ Directories.

In your case, add the directory that the header is in to the project properties.

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