Well, I did not have too much luck in my last post, so I am rephrasing my last post.
I would like to catch the event when someone updates a xref by using the REFEDIT command (by double clicking on the dwg xref this command fires activating a toolbar, then you are able to modify the xref and save the changes by selecting the save option on the toolbar). I notice there is a REFCLOSE command and then a SAV one, but I am not able to catch this last command by issuing
Private Sub AcadDoc_EndCommand(ByVal CommandName As String) Handles AcadDoc.EndCommand
if CommandName ="SAV" then