Quality center 10.0 version(save method is not working), while uploading attachments to quality center

The code below ,is for uploading attachments to quality center 10.00 Function UpLoadAttachmentToQC(FilePath) Set ObjCurrentTest = QCUtil.CurrentTest.Attachments Set ObjAttch = ObjCurrentTest.AddItem(Null) ObjAttch.FileName = FilePath ObjAttch.Type = 1 ObjAttch.Post ObjAttch.Refresh End Function FilePath=C:abc.vbs Call UpLoadAttachmentToQC(FilePath) but to achieve the same task in quality center 9.00----------- Function UpLoadAttachmentToQC(FilePath) Set ObjCurrentTest = QCUtil.CurrentTest.Attachments Set ObjAttch = ObjCurrentTest.AddItem(Null) ObjAttch.FileName = FilePath ObjAttch.Type = 1 ObjAttch.Post ObjAttch.save(True)------------------- Extra method is needed ObjAttch.Refresh End Function FilePath=C:abc.vbs Call UpLoadAttachmentToQC(FilePath) my question-------- Is save method is not working with quality center 1.00 Version ?? Also tell me the difference between post nad save Method ??