CodeModeltesting

/*
 * Create a new c# project, add references to envdte
 *
 * Add A C++ project to the existing solution
 * with an empty source file, test.cpp lying under ROOT*/

namespace CodeModeltesting
{
    class Program
    {
        static void Main(string[] args)
        {
            EnvDTE.DTE dte = (EnvDTE.DTE)System.Runtime.InteropServices.Marshal.GetActiveObject("VisualStudio.DTE.12.0");
            System.Console.Write(dte.Solution.Projects.Count);

            var project = dte.Solution.Projects.Item(2);

            foreach (EnvDTE.ProjectItem item in project.ProjectItems)
            {
                if (item.Name == "test.cpp")
                {
                    EnvDTE.FileCodeModel model = item.FileCodeModel;
                    model.AddFunction("X::X", EnvDTE.vsCMFunction.vsCMFunctionConstructor, null, -1);
                    item.ContainingProject.Save();
                    break;
                }
            }
        }
    }
}