How can I click a push button programmatically in App Designer?

Question

Anshuman Agrawal 2019-7-31

0
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https://ww2.mathworks.cn/matlabcentral/answers/474346-how-can-i-click-a-push-button-programmatically-in-app-designer

回答： William 2023-5-26

One of my pushbuttons when clicked does a bunch of calculations and I was wondering how to 'click' it in some other part of my code.

I know that I can create a helper function instead but I wanted to know if it was possible to just 'click' the button programmatically.

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Answer 1

Kojiro Saito 2019-8-1

7
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https://ww2.mathworks.cn/matlabcentral/answers/474346-how-can-i-click-a-push-button-programmatically-in-app-designer#answer_385701

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You can call the button pushed callback function programmatically, so if your callback looks like this,

 % Button pushed function: Button
 function ButtonPushed(app, event)
     % Do something       
 end        

you can call it by the following.

ButtonPushed(app, matlab.ui.eventdata.ButtonPushedData)

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Eric Delgado 2022-9-22

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@Kojiro Saito, is it right? At least for me, this approach creates an empty event, so it's not possible to use its properties "Source" or "Value" and "PreviousValue" (in the case of a "state button"). How to create a real event programmatically?

% Event created for a real click in a button:
event = 
  ButtonPushedData with properties:
       Source: [1×1 Button]
    EventName: 'ButtonPushed'
% Event created programmatically (using your approach)
event = 
  ButtonPushedData with properties:
       Source: [0×0 handle]
    EventName: ''
    