CheckoutInfo | A reference to a VersionItem object, containing the checkout information of the current object. | 
  CurrentVersion | The current object latest version. | 
  IsCheckedOut | Checks if the object is in CHECKED-OUT or GET status. | 
  IsLocked | Obsolete. Always returns false. | 
  LockedBy | The name of the locking user. | 
  Version | The version the current user is viewing. | 
  VersionInfo | A reference to a VersionItem object containing information about a specific version, specified by the Version argument. | 
  VersionsEx | A list of IVersionItem references for accessing the details of each version of the object. |