public metadataEnumerator(fileType par)
 {
     parent = par;
     nIndex = -1;
 }
 public void ReplacefileAt(fileType newValue, int index)
 {
     ReplaceDomElementAt("http://www.imsproject.org/xsd/imscp_rootv1p1p2", "file", index, newValue);
 }
 public hrefEnumerator(fileType par)
 {
     parent = par;
     nIndex = -1;
 }
 public void Addfile(fileType newValue)
 {
     AppendDomElement("http://www.imsproject.org/xsd/imscp_rootv1p1p2", "file", newValue);
 }