Select EditField with a FOR loop in Matlab app designer

Question

Gabriele Rossi 2022-12-22

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1883127-select-editfield-with-a-for-loop-in-matlab-app-designer

回答： Cameron 2022-12-22

Hi all, I'm developing a small GUI to display data read via serial. In my app, I'll have a large number of EditFields, which I'll fill and move from time to time depending on other view settings. I will have a large number of these fields, specifically 64, I was wondering if there was any way to select them using a FOR loop. In the example below:

.

app.EditField_8_1.Position = [21+(88*0),21+(88*0),87,87];

app.EditField_8_2.Position = [21+(88*1),21+(88*0),87,87];

app.EditField_8_3.Position = [21+(88*2),21+(88*0),87,87];

app.EditField_8_4.Position = [21+(88*3),21+(88*0),87,87];

app.EditField_8_5.Position = [21+(88*4),21+(88*0),87,87];

app.EditField_8_6.Position = [21+(88*5),21+(88*0),87,87];

app.EditField_8_7.Position = [21+(88*6),21+(88*0),87,87];

app.EditField_8_8.Position = [21+(88*7),21+(88*0),87,87];

app.EditField_7_1.Position = [21+(88*0),21+(88*1),87,87];

app.EditField_7_2.Position = [21+(88*1),21+(88*1),87,87];

app.EditField_7_3.Position = [21+(88*2),21+(88*1),87,87];

app.EditField_7_4.Position = [21+(88*3),21+(88*1),87,87];

app.EditField_7_5.Position = [21+(88*4),21+(88*1),87,87];

app.EditField_7_6.Position = [21+(88*5),21+(88*1),87,87];

app.EditField_7_7.Position = [21+(88*6),21+(88*1),87,87];

app.EditField_7_8.Position = [21+(88*7),21+(88*1),87,87];

.

is it possible to select the various EditFields using a syntax like

app.EditField_i_j.Position = ...

to manage them with a FOR loop? does anyone know the syntax?

A thousand thanks!

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Answer 1

Cameron 2022-12-22

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在 MATLAB Online 中打开

Generally speaking, I don't think this is good practice, but here is a way you can do what you want. You may have to adapt it to your variable names, but that's one way to do it.

for xx = 1:8
    eval(strcat('app.EditField_8_',num2str(xx),...
        '.Position = [21+88*',num2str(xx-1),',21+88*',...
        num2str(xx-1),',',num2str(87),',',num2str(87),'];'))
end