* Error 0x800700DF: The file size exceeds the limit allowed and cannot be saved
     HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
       FileSizeLimitInBytes = 4294967295

 * DAV operation slow.
     Symlink below folder to ramsidk
      C:\Windows\ServiceProfiles\LocalService\AppData\Local\Temp\TfsStore\Tfs_DAV\
     Should be more fast.

 * MTP Directory access slow.
     May need to direct access low-level API instead MediaDevices lib.
     And streamming access support?(not `full download')