PackageExplorerViewModel.PackageViewModel.AddExistingFileToFolder C# (CSharp) Method

        private void AddExistingFileToFolder(PackageFolder folder)
        {
            string[] selectedFiles;
            bool result = UIServices.OpenMultipleFilesDialog(
                "Select Files",
                "All files (*.*)|*.*",
                out selectedFiles);

            if (result) {
                foreach (string file in selectedFiles) {
                    folder.AddFile(file);
                }
            }
        }