time   calls  line
                 56 function localUpdateListeners(hLink, synchronizeprops)
                 57 
             4   58 if nargin == 1 
             1   59     synchronizeprops = true; 
             1   60 end 
                 61 
                 62 % dereference old listeners
             4   63 set(hLink,'Listeners',[]); 
                 64 
                 65 % Get properties and handles
             4   66 propnames = get(hLink,'PropertyNames'); 
             4   67 hlist = get(hLink,'Targets'); 
             4   68 foundlistener = false; 
             4   69 count = 0; 
                 70 
                 71 % Cycle through list of objects
                 72 % Create listeners for each input object
             4   73 for m = 1:length(hlist) 
             6   74     if isobject(hlist(m)) 
                 75         eventListenerConstructor = @event.listener;
                 76         propListenerConstructor = @event.proplistener;
                 77         propEvent = 'PostSet';
             6   78     else 
             6   79         eventListenerConstructor = @handle.listener; 
             6   80         propListenerConstructor = @handle.listener; 
             6   81         propEvent = 'PropertyPostSet'; 
             6   82     end 
                 83     
             6   84     if (~isobject(hlist(m)) && ishandle(hlist(m))) || (isobject(hlist(m)) && isvalid(hlist(m))) 
                 85         
                 86         % Listen to deletion
  0.01       6   87         hDeleteListener(m) = eventListenerConstructor(hlist(m), ... 
                 88             'ObjectBeingDestroyed',...
                 89             @(obj,evd)(localRemoveHandle(obj,evd,hlist(m),hLink)));
                 90         
                 91         % Count the number of property objects
             6   92         count = 1; 
                 93         
                 94         % Get list of property objects for listening
             6   95         foundprop = false; 
             6   96         for n = 1:length(propnames) 
             6   97             prop = findprop(hlist(m),propnames{n}); 
             6   98             if isempty(prop) 
                 99                 warning('MATLAB:graphics:linkprop','Invalid property');
             6  100             else 
             6  101                 hProp(count) = prop; 
             6  102                 count = count + 1; 
             6  103                 foundprop = true; 
             6  104             end 
             6  105         end % for 
                106         
             6  107         if foundprop 
                108             % Create one handle listener per object
             6  109             hListener(m) = propListenerConstructor(hlist(m),... 
                110                 hProp, ...
                111                 propEvent,...
                112                 @(obj,evd)(localUpdate(obj,evd,hLink,hlist)));
             6  113             localSetEnableState(hListener(m),get(hLink,'Enabled')); 
             6  114             foundlistener = true; 
             6  115         end 
                116         
             6  117     end % if 
             6  118 end % for 
                119 
                120 % If we have delete listeners
             4  121 if count > 0 
             3  122     set(hLink,'TargetDeletionListeners',hDeleteListener); 
             3  123 end 
                124 
                125 % Bail out early if we have no listeners
             4  126 if ~foundlistener, 
             1  127     return; 
                128 end
                129 
             3  130 set(hLink,'Listeners',hListener); 
                131 
             3  132 if synchronizeprops 
                133     % Update all objects so they have the same properties
                134     % as the first object in the list. This is an arbitrary
                135     % convention documented in LINKPROP m-help
                136 
                137     % Loop through properties
             1  138     for n = 1:length(propnames) 
             1  139         prop = propnames{n}; 
                140 
                141         % Get handles that have this property
             1  142         ind = find(isprop(hlist,prop)); 
             1  143         if length(ind) > 1 
                144 
                145             % Set handles that have this property
             1  146             val = get(hlist(ind(1)),prop); 
  0.04       1  147             set(hlist(ind),prop,val); 
             1  148         end 
                149 
             1  150     end % for 
  0.01       1  151 end 

Other subfunctions in this file are not included in this listing.