C# 删除整个文件夹

string srcPath = @"E:\ssm\invoice\";
            try
            {
                if (!Directory.Exists(srcPath))
                {
                    Directory.CreateDirectory(srcPath);
                }
                DirectoryInfo dir = new DirectoryInfo(srcPath);
                FileSystemInfo[] fileinfo = dir.GetFileSystemInfos();  //返回目录中所有文件和子目录
                foreach (FileSystemInfo i in fileinfo)
                {
                    if (i is DirectoryInfo)            //判断是否文件夹
                    {
                        DirectoryInfo subdir = new DirectoryInfo(i.FullName);
                        subdir.Delete(true);          //删除子目录和文件
                    }
                    else
                    {
                        File.Delete(i.FullName);      //删除指定文件
                    }
                }
            }
            catch (Exception e)
            {
                NeuLogger.Debug(e.Message);
            }