Undocumented Secrets of MATLAB-Java Programming

Undocumented Secrets of MATLAB

®

-Java Programming26

Rule #3: Use handle(. . .,‘CallbackProperties’)

Whenever you plan to use an event callback on a Java reference, never set the callback on

the naked (un-handled) Java reference, but always on the handled reference, as explained

in Section 3.4. Failing to do so will result in memory leaks and occasional run-time

errors, whereas using handled appears to carry no penalty other than slight extra code

complication.

% Create a handled JButton reference

jButton = javax.swing.JButton('OK');

hButton = handle(jButton,. . .

'CallbackProperties');

% Set the requested callback

set(hButton,'MouseClickedCallback',. ...