C# 查找文件夹下的文件,进行重命名

      private void rename() {
            var path = @"E:\code\LIMS\UI设计稿\UI设计\icon\图标(3)\图标\\";
            DirectoryInfo directory = new DirectoryInfo(path);

            var dirs = directory.GetDirectories();
            foreach (var item in dirs)
            {
                // DirectoryInfo dir = new DirectoryInfo(item);
                var zidirs = item.GetDirectories();//取得选中与未选中的目录
                foreach (var zidir in zidirs)
                {
                    var name = zidir.Name;
                    if (name.Equals("未选中")) {
                        reFileName(zidir,false);

                    } else if (name.Equals("选中"))
                    {
                        reFileName(zidir, true);
                    }
                }
            }
        }

        private void reFileName(DirectoryInfo directoryInfo,bool isSelect = true) {
            var files = directoryInfo.GetFiles();
            var changeN = isSelect ?  "B":"A";
            foreach (var item in files)
            {
                System.Diagnostics.Debug.WriteLine(item.Name);
                System.Diagnostics.Debug.WriteLine(item.FullName);

                if (item.Name.EndsWith(".svg") && item.Name.Contains("@3x")) { 

                   var name = item.Name.Replace("@3x", changeN);
                    FileSystem.RenameFile(item.FullName, name);
                }
            }
        }
    }