... 
Set XFileResumeInfo = SAXFile.ResumeInfo

'--- Set Resumable to True to allow the upload to be resumed.
XFileResumeInfo.Resumable = True 

'--- If CacheRequest is set to True XFile will save copies of the 
'--- files to upload before sending the upload request. In a resumable 
'--- upload, enabling CacheRequest guarantees the integrity of 
'--- the resumed request. 
XFileResumeInfo.CacheRequest = True 

'--- StatusUrl specifies the URL of the FileUpEE status script 
'--- to which XFile will send the upload status request, when 
'--- resuming an upload. 
XFileResumeInfo.StatusUrl = "http://localhost/XFileResumeUpload/status.asp" 
...