public virtual ProjectItem AddFromDirectory(string directory)
 {
     using (IProjectBrowserUpdater updater = project.CreateProjectBrowserUpdater()) {
         ProjectItem directoryItem = project.AddDirectoryProjectItemUsingFullPath(directory);
         project.Save();
         return(directoryItem);
     }
 }
 public virtual global::EnvDTE.ProjectItem AddFromFile(string fileName)
 {
     using (IProjectBrowserUpdater updater = Project.CreateProjectBrowserUpdater()) {
         ProjectItem projectItem = AddFileProjectItemToProject(fileName);
         Project.Save();
         fileService.ParseFile(fileName);
         return(projectItem);
     }
 }
        public virtual void AddFromFileCopy(string filePath)
        {
            string fileAdded = filePath;

            if (IsFileInsideProjectFolder(filePath))
            {
                ThrowExceptionIfFileDoesNotExist(filePath);
            }
            else
            {
                fileAdded = CopyFileIntoProject(filePath);
            }

            using (IProjectBrowserUpdater updater = Project.CreateProjectBrowserUpdater()) {
                AddFileProjectItemToProject(fileAdded);
                Project.Save();
            }
        }