xpress.removecbmsghandler
| xpress.removecbmsghandler | 
  Purpose
 
 
  Removes a message callback function previously added by
 xpress.addcbmsghandler. The specified callback function will no longer be called after it has been removed.
 
 
  Synopsis
 
  xpress.removecbmsghandler (msghandler, data) 
 
  Arguments
 
 | 
     msghandler 
     | 
     The callback function to remove. If
     None then all message callback functions added with the given user-defined object value will be removed.
     | 
| 
     data 
     | 
     The object value that the callback was added with. If
     None, then the object value will not be checked and all message callbacks with the function
     msghandler will be removed.
     | 
  Related topics
 
  
