Prashant Kumar answered . 2024-04-26 12:26:21

hApp = TrialApp;

2. In the Simulink model callback "StartFcn" function, call a function named "updateGUI()" as described below. This method will be called every time the specified block's ("blk") output method executes.

blk = 'Trial/DisplayBox';
event = 'PostOutputs';
listener = @(app, event) updateGUI(hApp);
h = add_exec_event_listener(blk, event, listener);

3. Create a public method named "updateGUI()" in the app designed in App Designer. This function will get the specified block's run-time parameters and pass it to the GUI. This function is defined below.

function updateGUI(app, varargin)
     % Create an object that gets the run-time value of the specified block
     rto = get_param([bdroot,'/DisplayBox'],'RuntimeObject');

       % Update the GUI accordingly. In this case a the value of an EditField is being updated.
       app.EditField.Value = rto.InputPort(1).Data;
  end

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