/// <summary>
        /// Creates the custom configuration file.
        /// </summary>
        /// <param name="name">The name.</param>
        /// <param name="configFolderPath">The config folder path.</param>
        /// <param name="folder">The folder.</param>
        /// <returns></returns>
        private string CreateCustomConfigurationFile(string name, string configFolderPath, ProjectItem folder)
        {
            IShellHelper shell = ServiceLocator.Instance.GetService <IShellHelper>();
            // Calcule le nom du fichier personnalisable
            string customFileName = String.Concat(name, ".config");
            string customFilePath = Path.Combine(configFolderPath, customFileName);

            XmlDocument xdoc = new XmlDocument();

            // Ajout si n'existe pas
            if (!File.Exists(customFilePath))
            {
                // On regarde si il n'existe pas un template
                bool           fileCreated      = false;
                string         templateFileName = String.Format(_templateFormatName, name);
                RepositoryFile rf =
                    new RepositoryFile(RepositoryCategory.T4Templates, Path.Combine("ConfigFiles", templateFileName));
                try
                {
                    if (rf.Exists())
                    {
                        xdoc.Load(rf.LocalPhysicalPath);
                        fileCreated = true;
                    }
                }
                catch
                {
                }

                // Si on est pas arrivé à en créer un à partir d'un template, on en crée un vide.
                if (!fileCreated)
                {
                    xdoc.LoadXml(@"<?xml version=""1.0"" encoding=""utf-8"" ?><configuration/>");
                }

                xdoc.Save(customFilePath);
                shell.AddFileToFolder(folder, customFilePath);
            }
            else
            {
                xdoc.Load(customFilePath);
            }
            return(customFilePath);
        }