C++ #include can't find file

I need to build this c++ project.

its failing on the line

#include <wkhtmltox/image.h>
#include <wkhtmltox/pdf.h>


fatal error C1083: Cannot open include file: 'wkhtmltox/image开发者_C百科.h': No such file or directory
fatal error C1083: Cannot open include file: 'wkhtmltox/pdf.h': No such file or directory

clearly its not finding the file. i have the file on disk but just need to point the project at it some how.

how do i set the project up so it can see this file?

Also If its not already clear, i'm a complete novice at c++

edit: i'm trying to build this: https://github.com/antialize/wkhtmltopdf-bindings/tree/master/wkhtmltoxcom/

Visual Studio 2008

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Goto "Tools->Options->Projects and Solutions" then select "VC++ directories" and select "Include files" in the combo box at top right corner. Specify the directory where the file is present. That should solve the problem.

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Or if you want to customize it per project, hit Alt F7 or go to Project -> Properties -> C++ -> General, and set the include directories.