C# 创建子文件夹

C# 创建子文件夹

   private void GreateFile(string directoryPath, string fileName)
        {
            //directoryPath一个路径变量
            //fileName文夹名字 
            try
            {
                // Determine whether the directory exists.
                if (Directory.Exists(directoryPath))
                {
                    DirectoryInfo dir = new DirectoryInfo(directoryPath);
                    dir.CreateSubdirectory(fileName);
                }
            }
            catch (Exception e)
            {
                MessageBox.Show("请确认根目录是否存在!");
                return;
            }
            finally { }
        }